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author meillo@marmaro.de
date Fri, 14 Aug 2009 14:33:51 +0200
parents 2de5f65f7617
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1 % @file
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2 % @brief speach: uzbl (CCCS)
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3 % @author markus schnalke <meillo@marmaro.de>
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4 % @since 2009-06-14
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5
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6
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7 \documentclass{beamer}
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8
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9 \usepackage[utf8]{inputenc}
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10 \usepackage{graphicx}
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11 \usepackage[automark]{scrpage2}
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12 \setlength{\parskip}{2.0ex plus 1.0ex minus 0.5ex}
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13
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14 \title{uzbl}
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15 \author{markus schnalke}
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16 \date{2009-08-13}
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17
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18 \begin{document}
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19
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20
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21 \frame{
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22 \vspace{6em}
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23 \begin{center}
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24 \includegraphics[scale=0.4]{uzbl-logo.png}
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25
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26 {a web browser that adheres to the Unix Philosophy}
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27
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28 \vspace{5em}
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29
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30 { \tiny
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31 markus schnalke \textless{}meillo@marmaro.de\textgreater{}
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32 }
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33 \end{center}
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34 }
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35
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36
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37
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38 \frame{ \frametitle{better:}
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39 \begin{center}
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40 {\huge thoughts on sane web browsers}
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41 \end{center}
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42 }
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43
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44
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45
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47
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48 \frame{ \frametitle{Recap: The Unix Philosophy (1)}
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49
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50 \textbf{Gancarz:}
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51
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52 -- small is beautiful
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53
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54 -- make each program do one thing well
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55
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56 -- use software leverage to your advantage
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57
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58 -- avoid captive user interfaces
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59
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60 -- make every program a filter
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61
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62 \dots
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63
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64 }
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65
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66 \frame{ \frametitle{Recap: The Unix Philosophy (2)}
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67
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68 \textbf{McIlroy:}
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69
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70 -- write programs that do one thing and do it well
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71
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72 -- write programs to work together
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73
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74 -- write programs to handle text streams
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75
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76 }
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77
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78
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79
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80 \frame{ \frametitle{modern web browsers}
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81
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82 \dots\ are not small
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83 \hfill\ (huge amounts of code)
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84 % how many SLOC
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85
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86 \pause
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87
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88 \dots\ do not do one thing
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89 \hfill\ (include lots of stuff)
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90 % browse, bookmarks, download, news feeds
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91
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92 \pause
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93
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94 \dots\ do not use software leverage
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95 \hfill\ (do not use available tools)
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96 % no use of wget, newsbeuter
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97
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98 \pause
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99
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100 \dots\ have captive user interfaces
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101 \hfill\ (do not fit into the Unix UI)
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102 % explains itself, ^U, ^W
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103
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104 \pause
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105
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106 \dots\ are no filters
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107 \hfill\ (what about html2text?)
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108 % no combination, they are monolithic blocks
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109
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110 \pause
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111
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112 \dots\ do not work together
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113 \hfill\ (everything's already included)
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114 % as above
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115
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116 \pause
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117
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118 \dots\ do not handle text streams
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119 \hfill\ (have no interfaces anyway)
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120 % as above
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121
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122 \pause
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123
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124 \textbf{$\Rightarrow$ They do completely conflict with the Unix Philosophy!}
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125
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126 }
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127
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128
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129 \frame{ \frametitle{Three problems to solve}
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130
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131 1) user interface
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132
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133 2) size, simplicity
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134
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135 3) software leverage, combination, filters
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136
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137 }
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138
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139
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140
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141 \frame{ \frametitle{Problem 1: user interface}
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142
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143 already addressed (e.g. by vimperator)
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144
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145 pretty easy to implement
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146
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147 but/only a user-side problem
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148
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149 }
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150
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151
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152
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153 \frame{ \frametitle{Problem 2: size, simplicity}
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154
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155 suckless community's limit: 10k SLOC
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156 \pause
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157
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158
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159 but:\\
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160 -- gecko (xulrunner-1.9: 2.6m SLOC)\\
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161 -- webkit (webkit-1.1: 390k SLOC)\\
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162 -- khtml (gtkhtml-2.8: 70k SLOC)
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163
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164 (now imagine 0.1--10 bugs/KLOC)
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165 \pause
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166
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167 simplicity is not possible because of today's web ($\rightarrow$ digression)
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168
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169 }
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170
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173
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174 \frame{ \frametitle{digression: today's web}
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175
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176 \dots\ is broken!
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177 \pause
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178
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179 -- state in a state-less technology (deep-links, back-button)
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180
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181 -- misused technologies (flash)
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182
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183 -- totally overloaded, much too complex
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184 \pause
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185
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186 $\Rightarrow$ simple render engines are not possible anymore
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187
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188 $\Rightarrow$ web browsers have no chance -- they are essentially complex
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189
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190 }
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191
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192
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193
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194 \frame{ \frametitle{Problem 3: software leverage, combination, filters}
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195
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196 this is the point to put hands on
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197 \pause
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198
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199 -- why should the bookmark management be \textbf{inside} the browser?
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200
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201 -- why does the browser need an \textbf{own} download manager?
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202 \pause
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203
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204 $\Rightarrow$ better: use external programs that are available!
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205
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206 }
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207
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208
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209
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210 \frame{ \frametitle{How could it look like}
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211
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212 -- take one of the bloated render engines (black box)
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213 \pause
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214
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215 -- wrap it into a small program with software leverage in mind
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216 \pause
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217
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218 -- have interfaces to refer to \textbf{external} programs
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219 \pause
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220
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221 -- add a good user interface
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222
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223 }
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224
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225
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226 \frame{ \frametitle{Examples (1)}
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227
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228 \textbf{uzbl}
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229
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230 \texttt{http://uzbl.org}
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231
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232 by Dieter Plaetinck (Dieterbe)
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233
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234 since 2009-04
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235
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236 started as {\small \texttt{http://bbs.archlinux.org/viewtopic.php?id=67463}}
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237
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238 2\,700/1\,100 SLOC (2\,300/280 SLOC in May)
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239
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240 is quite active (various branches)
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241
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242 impressive work was achieved in short time
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243
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244 }
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245
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246
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247 \frame{ \frametitle{Examples (2)}
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248
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249 \textbf{surf}
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250
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251 \texttt{http://surf.suckless.org}
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252
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253 by Enno Boland (Gottox)
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254
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255 since 2009-06
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256
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257 500 SLOC
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258
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259 minimalistic reimplementation of uzbl !?
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260
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261 like uzbl was in the very beginning
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262
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263 }
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264
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265
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266 \frame{ \frametitle{5 steps to improve the software world}
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267
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268 1) understand: the Unix Philosophy!
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269 \pause
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270
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271 2) realize: a lot of modern software does not comply
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272 \pause
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273
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274 3) realize: it's mostly the same kinds of problems
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275 \pause
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276
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277 4) realize: it can be done better
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278 \pause
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279
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280 5) do it better!
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281 \pause
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282
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283 $\Rightarrow$ write, help, use sane software!
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284
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285 }
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286
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287
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288
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289
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290
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291 \frame{
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292 software used:\\
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293 -- Debian GNU/Linux\\
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294 -- LaTeX beamer, latexmk, fbgs\\
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295 -- vim, sloccount, mercurial
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296
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297 \begin{block}{}
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298 \vspace{7ex}
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299 \centerline{\textbf{Thanks for your attention}}
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300 \vspace{7ex}
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301 \end{block}
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302
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303
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304 {\scriptsize The slides are available on \texttt{http://marmaro.de/docs} \hfill 2009-08-13 }
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305
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306 }
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307
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308
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309 \end{document}
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310