1.1 --- a/preface.roff	Thu Jul 12 00:56:47 2012 +0200
     1.2 +++ b/preface.roff	Thu Jul 12 01:07:44 2012 +0200
     1.3 @@ -173,7 +173,7 @@
     1.4  The reader is expected to know the format of email messages and
     1.5  the structure of email transfer systems, at least on a basic level.
     1.6  It's advisable to have cross-read RFC\|821 and RFC\|822.
     1.7 -Furthermore, basic understanding of MIME (RFC\|2045\(en2049)
     1.8 +Furthermore, basic understanding of MIME [RFC\|2045\(enRFC\|2049]
     1.9  is good to have.
    1.10  The Wikipedia provides good introduction-level information about email.
    1.11  .[
    1.12 @@ -248,7 +248,7 @@
    1.13  .Pn cat ,
    1.14  which is in section one of the Unix manual.
    1.15  Internet technologies are specified by \fIRequests for Comments\fP (RFCs).
    1.16 -Throughout the document, they are referenced as ``RFC\|821''.
    1.17 +Throughout the document, they are referenced similar to ``RFC\|821''.
    1.18  A list of relevant RFCs is located at the end of the document.
    1.19  Literature is cited in backets, such as
    1.20  .[ ``[