Mercurial > docs > master

annotate ch03.roff @ 20:7a100c80fa91

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Some new text (show/mhshow; prompter).
author markus schnalke <meillo@marmaro.de>
date Sun, 06 May 2012 17:33:45 +0200
parents ab5253e48c74
children bb8a8be49024
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
1 .H0 "Work Report
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
2 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
3 foo
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
4 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
5 bar
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
6
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
7 .H1 "Removal of Code Relicts
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
8 .P
20
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
9 The code base of mmh originates from the late 70s, had been extensively
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
10 worked on in the mid 80s, and had been partly reorganized and extended
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
11 in the 90s. Relicts of all those times had gathered in the code base.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
12 My goal was to remove any ancient code parts. One part of the task was
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
13 converting obsolete code constructs to standard constructs, the other part
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
14 was dropping obsolete functions.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
15 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
16 As I'm not even thirty years old and have no more than seven years of
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
17 Unix experience, I needed to learn about the history in retroperspective.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
18 Older people likely have used those ancient constructs themself
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
19 and have suffered from their incompatiblities and have longed for
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
20 standardization. Unfortunately, I have only read that others had done so.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
21 This put me in a much more difficult positions when working on the old
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
22 code. I needed to recherche what other would have known by heart from
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
23 experience. All my programming experience comes from a time past ANSI C
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
24 and past POSIX. Although I knew about the times before, I took the
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
25 current state implicitely for granted most of the time.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
26 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
27 Being aware of
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
28 these facts, I rather let people with more historic experience solve the
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
29 task of converting the ancient code constructs to standardized ones.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
30 Luckily, Lyndon Nerenberg focused on this task at the nmh project.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
31 He converted large parts of the code to POSIX constructs, removing
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
32 the conditionals compilation for now standardized features.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
33 I'm thankful for this task being solved. I only pulled the changes into
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
34 mmh.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
35 .P
20
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
36 The other task \(en dropping ancient functionality to remove old code \(en
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
37 I did myself, though. My position to strip mmh to the bare minimum of
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
38 frequently used features is much more revolutional than the nmh community
20
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
39 likes it. Without the need to justify my decisions, I was able to quickly
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
40 remove functionality I considered ancient.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
41 The need to discuss my decisions with
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
42 peers likely would have slowed this process down. Of course, I researched
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
43 if a particular feature really should be dropped. Having not had any
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
44 contact to this feature within my computer life was a first indicator to
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
45 drop it, but I also asked others and searched the literature for modern
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
46 usage of the feature. If it appeared to be truly ancient, I dropped it.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
47 The reason for dropping is always part of the commit message in the
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
48 version control system. Thus, it is easy for others to check their
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
49 view on the topic with mine and possibly to argue for reinclusion.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
50
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
51 .U2 "MMDF maildrop support
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
52 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
53 I did drop any support for the MMDF maildrop format. This type of format
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
54 is conceptionally similar to the mbox format, but uses four bytes with
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
55 value 1 (\fL^A^A^A^A\fP) as message delimiter,
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
56 instead of the string ``\fLFrom\ \fP''.
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
57 Due to the similarity and mbox being the de-facto standard maildrop
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
58 format on Unix, but also due to the larger influence of Sendmail than MMDF,
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
59 the MMDF maildrop format had vanished.
0
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
60 .P
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
61 The simplifications within the code were only moderate. Switches could
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
62 be removed from tools like
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
63 .L packf ,
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
64 which generate packed mailboxes. Only one packed mailbox format remained:
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
65 mbox.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
66 The most important changes affect the equally named mail parsing routine in
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
67 .L sbr/m_getfld.c .
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
68 The direct MMDF code had been removed, but as now only one packed mailbox
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
69 format is left, code structure simplifications are likely possible.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
70 The reason why they are still outstanding is the heavily optimized code
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
71 of
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
72 .Fu m_getfld() .
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
73 Changes beyond a small local scope \(en
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
74 which restructuring in its core is \(en cause a high risk of damaging
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
75 the intricate workings of the optimized code. This problem is know
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
76 to the developers of nmh, too. They also avoid touching this minefield
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
77 if possible.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
78
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
79 .U2 "UUCP Bang Paths
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
80 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
81 More questionably than the former topic is the removal of support for the
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
82 UUCP bang path address style. However, the user may translate the bang
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
83 paths on retrieval to Internet addresses and the other way on posting
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
84 messages. The former can be done my an MDA like procmail; the latter
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
85 by a sendmail wrapper. This would ensure that any address handling would
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
86 work as expected. However, it might just work well without any
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
87 such modifications, as mmh does not touch addresses much, in general.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
88 But I can't ensure as I have never used an environment with bang paths.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
89 Also, the behavior might break at any point in further development.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
90
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
91 .U2 "Hardcopy terminal support
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
92 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
93 More of a funny anecdote is the remaining of a check for printing to a
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
94 hardcopy terminal until Spring 2012, when I finally removed it.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
95 I surely would be very happy to see such a terminal in action, maybe
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
96 actually being able to work on it, but I fear my chances are null.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
97 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
98 The check only prevented a pager to be placed between the outputting
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
99 program (\c
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
100 .Pn mhl )
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
101 and the terminal. This could have been ensured with
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
102 the
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
103 .Sw \-nomoreproc
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
104 at the command line statically, too.
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
105
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
106 .U2 "Removed support for header fields
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
107 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
108 The `Encrypted' header had been introduced by RFC\^822, but already
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
109 marked legacy in RFC 2822. It was superseded by FIXME.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
110 Mmh does no more support this header.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
111 .P
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
112 `Content-MD5' headers were introduced by RFC\^1864. They provide only
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
113 a verification of data corruption during the transfer. By no means can
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
114 they ensure verbatim end-to-end delivery of the contents. This is clearly
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
115 stated in the RFC. The proper approach to provide verificationability
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
116 of content in an end-to-end relationship is the use of digital cryptography
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
117 (RFCs FIXME). On the other hand, transfer protocols should ensure the
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
118 integrity of the transmission. In combinations these two approaches
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
119 make the `Content-MD5' header field useless. In consequence, I removed
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
120 the support for it. By this removal, MD5 computation is not needed
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
121 anywhere in mmh. Hence, over 500 lines of code were removed by this one
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
122 change. Even if the `Content-MD5' header field is useful sometimes,
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
123 I value its usefulnes less than the improvement in maintainability, caused
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
124 by the removal.
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
125
20
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
126 .U2 "Prompter's Control Keys
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
127 .P
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
128 The program
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
129 .Pn prompter
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
130 queries the user to fill in a message form. When used by
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
131 .Pn comp
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
132 as:
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
133 .DS
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
134 comp \-editor prompter
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
135 .DE
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
136 the resulting behavior is similar to
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
137 .Pn mailx .
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
138 Appearently,
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
139 .Pn prompter
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
140 hadn't been touched lately. Otherwise it's hardly explainable why it
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
141 still offered the switches
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
142 .Sn \-erase \fUchr\fP
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
143 and
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
144 .Sn \-kill \fUchr\fP
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
145 to name the characters for command line editing.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
146 The times when this had been neccessary are long time gone.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
147 Today these things work out-of-the-box, and if not, are configured
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
148 with the standard tool
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
149 .Pn stty .
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
150
12
7ca384d68edc Wrote some text for removal of old code.
markus schnalke <meillo@marmaro.de>
parents: 0
diff changeset
151
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
152 .H1 "Draft and Trash Folders
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
153 .U2 "Draft Folder
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
154 .P
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
155 Historically, MH provided exactly one draft message, named
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
156 .Fn draft
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
157 and
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
158 being located in the MH directory. When starting to compose another message
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
159 before the former one was sent, the user had been questioned wether to use,
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
160 refile or replace the old draft. Working on multiple drafts at the same time
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
161 was impossible. One could only work on them in alteration by refiling the
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
162 previous one to some directory and fetching some other one for reediting.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
163 This manual draft management needed to be done each time the user wanted
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
164 to switch between editing one draft to editing another.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
165 .P
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
166 To allow true parallel editing of drafts, in a straight forward way, the
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
167 draft folder facility exists. It had been introduced already in July 1984
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
168 by Marshall T. Rose. The facility was deactivated by default.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
169 Even in nmh, the draft folder facility remained deactivated by default.
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
170 At least, Richard Coleman added the man page
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
171 .Mp mh-draft(5)
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
172 to document
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
173 the feature well.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
174 .P
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
175 The only advantage of not using the draft folder facility is the static
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
176 name of the draft file. This could be an issue for MH frontends like mh-e.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
177 But as they likely want to provide working on multiple drafts in parallel,
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
178 the issue is only concerning compatibility. The aim of nmh to stay compatible
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
179 prevented the default activation of the draft folder facility.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
180 .P
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
181 On the other hand, a draft folder is the much more natural concept than
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
182 a draft message. MH's mail storage consists of folders and messages,
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
183 the messages named with ascending numbers. A draft message breaks with this
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
184 concept by introducing a message in a file named
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
185 .Fn draft .
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
186 This draft
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
187 message is special. It can not be simply listed with the available tools,
17
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
188 but instead requires special switches. I.e. corner-cases were
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
189 introduced. A draft folder, in contrast, does not introduce such
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
190 corner-cases. The available tools can operate on the messages within that
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
191 folder like on any messages within any mail folders. The only difference
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
192 is the fact that the default folder for
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
193 .Pn send
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
194 is the draft folder,
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
195 instead of the current folder, like for all other tools.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
196 .P
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
197 The trivial part of the change was activating the draft folder facility
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
198 by default and setting a default name for this folder. Obviously, I chose
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
199 the name
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
200 .Fn +drafts .
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
201 This made the
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
202 .Sw \-draftfolder
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
203 and
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
204 .Sw \-draftmessage
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
205 switches useless, and I could remove them.
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
206 The more difficult but also the part that showed the real improvement,
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
207 was updating the tools to the new concept.
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
208 .Sw \-draft
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
209 switches could
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
210 be dropped, as operating on a draft message became indistinguishable to
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
211 operating on any other message for the tools.
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
212 .Pn comp
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
213 still has its
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
214 .Sw \-use
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
215 switch for switching between its two modes: (1) Compose a new
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
216 draft, possibly by taking some existing message as a form. (2) Modify
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
217 an existing draft. In either case, the behavior of
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
218 .Pn comp is
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
219 deterministic. There is no more need to query the user. I consider this
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
220 a major improvement. By making
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
221 .Pn send
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
222 simply operate on the current
17
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
223 message in the draft folder by default, with message and folder both
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
224 overridable by specifying them on the command line, it is now possible
17
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
225 to send a draft anywhere within the storage by simply specifying its folder
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
226 and name.
14
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
227 .P
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
228 All theses changes converted special cases to regular cases, thus
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
229 simplifying the tools and increasing the flexibility.
55ec590cfa07 Wrote about the draft folder.
markus schnalke <meillo@marmaro.de>
parents: 12
diff changeset
230
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
231 .U2 "Trash Folder
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
232 .P
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
233 Similar to the situation for drafts is the situation for removed messages.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
234 Historically, a message was deleted by renaming. A specific
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
235 \fIbackup prefix\fP, often comma (\c
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
236 .Fn , )
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
237 or hash (\c
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
238 .Fn # ),
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
239 being prepended to the file name. Thus, MH wouldn't recognize the file
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
240 as a message anymore, as only files whose name consists of digits only
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
241 are treated as messages. The removed messages remained as files in the
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
242 same directory and needed some maintenance job to truly delete them after
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
243 some grace time. Usually, by running a command similar to
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
244 .DS
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
245 find /home/user/Mail \-ctime +7 \-name ',*' | xargs rm
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
246 .DE
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
247 in a cron job. Within the grace time interval
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
248 the original message could be restored by stripping the
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
249 the backup prefix from the file name. If however, the last message of
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
250 a folder is been removed \(en say message
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
251 .Fn 6
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
252 becomes file
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
253 .Fn ,6
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
254 \(en and a new message enters the same folder, thus the same
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
255 numbered being given again \(en in our case
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
256 .Fn 6
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
257 \(en, if that one
17
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
258 is removed too, then the backup of the former message gets overwritten.
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
259 Thus, the ability to restore removed messages does not only depend on
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
260 the ``sweeping cron job'' but also on the removing of further messages.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
261 This is undesireable, because the real mechanism is hidden from the user
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
262 and the concequences of further removals are not always obvious.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
263 Further more, the backup files are scattered within the whole mail
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
264 storage, instead of being collected at one place.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
265 .P
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
266 To improve the situation, the profile entry
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
267 .Pe rmmproc
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
268 (previously named
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
269 .Pe Delete-Prog )
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
270 was introduced, very early.
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
271 It could be set to any command, which would care for the mail removal
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
272 instead of taking the default action, described above.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
273 Refiling the to-be-removed files to some wastebin folder was a common
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
274 example. Nmh's man page
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
275 .Mp rmm(1)
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
276 proposes
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
277 .Cl "refile +d
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
278 to move messages to the wastebin and
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
279 .Cl "rm `mhpath +d all`
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
280 the empty the wastebin.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
281 Managing the message removal this way is a sane approach. It keeps
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
282 the removed messages in one place, makes it easy to remove the backup
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
283 files, and, most important, enables the user to use the tools of MH
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
284 itself to operate on the removed messages. One can
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
285 .Pn scan
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
286 them,
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
287 .Pn show
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
288 them, and restore them with
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
289 .Pn refile .
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
290 There's no more
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
291 need to use
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
292 .Pn mhpath
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
293 to switch over from MH tools to Unix tools \(en MH can do it all itself.
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
294 .P
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
295 This apporach matches perfect with the concepts of MH, thus making
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
296 it powerful. Hence, I made it the default. And even more, I also
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
297 removed the old backup prefix approach, as it is clearly less powerful.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
298 Keeping unused alternative in the code is a bad choice as they likely
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
299 gather bugs, by not being constantly tested. Also, the increased code
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
300 size and more conditions crease the maintenance costs. By strictly
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
301 converting to the trash folder approach, I simplified the code base.
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
302 .Pn rmm
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
303 calls
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
304 .Pn refile
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
305 internally to move the to-be-removed
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
306 message to the trash folder (\c
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
307 .Fn +trash
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
308 by default). Messages
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
309 there can be operated on like on any other message in the storage.
18
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
310 The sweep clean, one can use
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
311 .Cl "rmm \-unlink +trash a" ,
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
312 where the
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
313 .Sw \-unlink
db3567c9cc3f style: Added format macros for files, functions, switches, etc.
markus schnalke <meillo@marmaro.de>
parents: 17
diff changeset
314 switch causes the files to be truly unliked instead
16
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
315 of moved to the trash folder.
81f703140554 Wrote about the trash folder.
markus schnalke <meillo@marmaro.de>
parents: 14
diff changeset
316
0
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
317
17
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
318 .H1 "MH Directory Split
0
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
319 .P
19
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
320 In MH and nmh, a personal setup had consisted of two parts:
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
321 The MH profile, named
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
322 .Fn \&.mh_profile
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
323 and being located directly in the user's home directory.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
324 And the MH directory, where all his mail messages and also his personal
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
325 forms, scan formats, other configuration files are stored. The location
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
326 of this directory could be user-chosen. The default was to name it
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
327 .Fn Mail
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
328 and have it directly in the home directory.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
329 .P
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
330 I've never liked the data storage and the configuration to be intermixed.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
331 They are different kinds of data. One part, are the messages,
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
332 which are the data to operate on. The other part, are the personal
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
333 configuration files, which are able to change the behavior of the operations.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
334 The actual operations are defined in the profile, however.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
335 .P
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
336 When storing data, one should try to group data by its type.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
337 There's sense in the Unix file system hierarchy, where configuration
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
338 file are stored separate (\c
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
339 .Fn /etc )
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
340 to the programs (\c
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
341 .Fn /bin
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
342 and
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
343 .Fn /usr/bin )
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
344 to their sources (\c
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
345 .Fn /usr/src ).
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
346 Such separation eases the backup management, for instance.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
347 .P
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
348 In mmh, I've reorganized the file locations.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
349 Still there are two places:
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
350 There's the mail storage directory, which, like in MH, contains all the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
351 messages, but, unlike in MH, nothing else.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
352 Its location still is user-chosen, with the default name
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
353 .Fn Mail ,
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
354 in the user's home directory. This is much similar to the case in nmh.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
355 The configuration files, however, are grouped together in the new directory
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
356 .Fn \&.mmh
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
357 in the user's home directory.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
358 The user's profile now is a file, named
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
359 .Fn profile ,
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
360 in this mmh directory.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
361 Consistently, the context file and all the personal forms, scan formats,
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
362 and the like, are also there.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
363 .P
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
364 The naming changed with the relocation.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
365 The directory where everything, except the profile, had been stored (\c
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
366 .Fn $HOME/Mail ),
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
367 used to be called \fIMH directory\fP. Now, this directory is called the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
368 user's \fImail storage\fP. The name \fImmh directory\fP is now given to
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
369 the new directory
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
370 (\c
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
371 .Fn $HOME/.mmh ),
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
372 containing all the personal configuration files.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
373 .P
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
374 The separation of the files by type of content is logical and convenient.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
375 There are no functional differences as any possible setup known to me
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
376 can be implemented with both approaches, although likely a bit easier
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
377 with the new approach. The main goal of the change had been to provide
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
378 sensible storage locations for any type of personal mmh file.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
379 .P
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
380 In order for one user to have multiple MH setups, he can use the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
381 environment variable
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
382 .Ev MH
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
383 the point to a different profile file.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
384 The MH directory (mail storage plus personal configuration files) is
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
385 defined by the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
386 .Pe Path
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
387 profile entry.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
388 The context file could be defined by the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
389 .Pe context
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
390 profile entry or by the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
391 .Ev MHCONTEXT
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
392 environment variable.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
393 The latter is useful to have a distinct context (e.g. current folders)
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
394 in each terminal window, for instance.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
395 In mmh, there are three environment variables now.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
396 .Ev MMH
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
397 may be used to change the location of the mmh directory.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
398 .Ev MMHP
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
399 and
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
400 .Ev MMHC
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
401 change the profile and context files, respectively.
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
402 Besides providing a more consistent feel (which simply is the result
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
403 of being designed anew), the set of personal configuration files can
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
404 be chosen independently from the profile (including mail storage location)
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
405 and context, now. Being it relevant for practical use or not, it
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
406 de-facto is an improvement. However, the main achievement is the
ab5253e48c74 Wrote about the directory split.
markus schnalke <meillo@marmaro.de>
parents: 18
diff changeset
407 split between mail storage and personal configuration files.
17
b3c37947764e Several minor text improvements.
markus schnalke <meillo@marmaro.de>
parents: 16
diff changeset
408
0
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
409
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
410 .H1 "Path Notations
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
411 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
412 foo
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
413
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
414 .H1 "Attachments
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
415 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
416 foo
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
417
20
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
418 .H1 "mhshow to show Transition
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
419 .P
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
420 Since the very beginning, already in the first concept paper,
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
421 .Pn show
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
422 had been MH's mail display program.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
423 .Pn show
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
424 found out which pathnames the relevant messages had and invoked
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
425 .Pn mhl
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
426 then to let it render the content.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
427 With the advent of MIME, this approach wasn't sufficient anymore.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
428 MIME messages can consist of multiple parts, some of which aren't
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
429 directly displayable, and text content can be encoded in
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
430 foreign charsets.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
431 .Pn show 's
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
432 simple approach and
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
433 .Pn mhl 's
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
434 limited display facilities couldn't cope with the task any longer.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
435 Instead of extending these tools, new ones were written from scratch
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
436 and then added to the MH toolchest. Doing so is encouraged by the
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
437 toolchest approach. The new tools could be added without interfearing
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
438 with the existing ones. This is great. It allowed MH to be the
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
439 first MUA to implement MIME.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
440 .P
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
441 The new MIME features were added in form of the single program
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
442 .Pn mhn .
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
443 The command
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
444 .DS
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
445 mhn \-show 42
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
446 .DE
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
447 would show the MIME message numbered 42.
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
448 With the 1.0 release of nmh in February 1999, Richard Coleman finished
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
449 the split of
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
450 .Pn mhn
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
451 into a set of specialized programs, which together covered the
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
452 aspects of MIME. One of these resulting tools was
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
453 .Pn mhshow .
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
454
7a100c80fa91 Some new text (show/mhshow; prompter).
markus schnalke <meillo@marmaro.de>
parents: 19
diff changeset
455
0
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
456 .H1 "Blind Carbon Copies
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
457 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
458 foo
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
459
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
460 .H1 "Good Defaults
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
461 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
462 foo
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
463
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
464 .H1 "Modularization
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
465 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
466 foo
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
467
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
468 .H1 "Code style
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
469 .P
dc2bfef4cda7 Initial commit: Basic structure, macros and fonts.
markus schnalke <meillo@marmaro.de>
parents:
diff changeset
470 foo