Mercurial > vim
annotate runtime/doc/version8.txt @ 9629:ea0c9f0a8519
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author | Christian Brabandt <cb@256bit.org> |
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date | Fri, 22 Jul 2016 22:15:06 +0200 |
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1 *version8.txt* For Vim version 8.0. Last change: 2016 Jul 16 |
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4 VIM REFERENCE MANUAL by Bram Moolenaar |
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6 NOTE: THIS FILE IS STILL BEING WORKED ON |
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8 *vim8* *vim-8* *version-8.0* *version8.0* |
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9 Welcome to Vim 8! A large number of bugs have been fixed and several |
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10 features have been added. This file mentions all the new items and changes to |
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11 existing features since Vim 7.4. Bug fixes, the patches for Vim 7.4, can be |
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12 found below |vim-7.4|. Use this command to see the version you are using: > |
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13 :version |
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15 See |vi_diff.txt| for an overview of differences between Vi and Vim 7.0. |
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16 See |version4.txt|, |version5.txt|, |version6.txt| and |version7.txt| for |
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17 differences between other versions. |
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19 NEW FEATURES |new-8| |
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21 Vim script enhancements |new-vim-script-8| |
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23 INCOMPATIBLE CHANGES |incompatible-8| |
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25 IMPROVEMENTS |improvements-8| |
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27 COMPILE TIME CHANGES |compile-changes-8| |
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29 PATCHES |patches-8| |
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32 ============================================================================== |
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33 NEW FEATURES *new-8* |
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35 First a list of the bigger new features. A comprehensive list is below. |
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38 Asynchronous I/O support, channels ~ |
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40 Vim can now exchange messages with other processes in the background. This |
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41 makes it possible to have servers do work and send back the results to Vim. |
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42 See |channel-demo| for an example, this shows communicating with a Python |
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43 server. |
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45 Closely related to channels is JSON support. JSON is widely supported and can |
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46 easily be used for inter-process communication, allowing for writing a server |
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47 in any language. The functions to use are |json_encode()| and |json_decode()|. |
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48 |
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49 This makes it possible to build very complex plugins, written in any language |
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50 and running in a separate process. |
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51 |
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53 Jobs ~ |
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55 Vim can now start a job, communicate with it and stop it. This is very useful |
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56 to run a process for completion, syntax checking, etc. Channels are used to |
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57 communicate with the job. Jobs can also read from or write to a buffer or a |
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58 file. See |job_start()|. |
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61 Timers ~ |
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63 Also asynchronous are timers. They can fire once or repeatedly and invoke a |
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64 function to do any work. For example: > |
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65 let tempTimer = timer_start(4000, 'CheckTemp') |
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66 This will call the CheckTemp() function four seconds (4000 milli seconds) |
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67 later. |
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70 Partials ~ |
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72 Vim already had a Funcref, a reference to a function. A partial also refers |
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73 to a function, and additionally binds arguments and/or a dictionary. This is |
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74 especially useful for callbacks on channels and timers. E.g., for the timer |
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75 example above, to pass an argument to the function: > |
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76 let tempTimer = timer_start(4000, function('CheckTemp', ['out'])) |
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77 This will call CheckTemp('out') four seconds later. |
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78 |
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80 Lambda ~ |
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82 A short way to create a function has been added: {args -> expr}. See |lambda|. |
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83 This is useful for functions such as `filter()` and `map()`, which now also |
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84 accept a function argument. Example: > |
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85 :call filter(mylist, {idx, val -> val > 20}) |
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86 |
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87 |
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88 Packages ~ |
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90 Plugins keep growing and more of them are available than ever before. To keep |
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91 the collection of plugins manageable package support has been added. This is |
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92 a convenient way to get one or more plugins, drop them in a directory and |
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93 possibly keep them updated. Vim will load them automatically, or only when |
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94 desired. See |packages|. |
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95 |
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96 |
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97 New style tests ~ |
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98 |
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99 This is for Vim developers. So far writing tests for Vim has not been easy. |
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100 Vim 8 adds assert functions and a framework to run tests. This makes it a lot |
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101 simpler to write tests and keep them updated. Also new are several functions |
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102 that are added specifically for testing. See |test-functions|. |
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103 |
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104 |
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105 Window IDs ~ |
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106 |
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107 Previously windows could only be accessed by their number. And every time a |
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108 window would open, close or move that number changes. Each window now has a |
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109 unique ID, so that they are easy to find. See |win_getid()| and |win_id2win()|. |
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110 |
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111 |
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112 Viminfo uses timestamps ~ |
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113 |
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114 Previously the information stored in viminfo was whatever the last Vim wrote |
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115 there. Now timestamps are used to always keep the most recent items. |
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116 See |viminfo-timestamp|. |
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117 |
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118 |
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119 Wrapping lines with indent ~ |
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120 |
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121 The 'breakindent' option has been added to be able to wrap lines without |
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122 changing the amount of indent. |
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123 |
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124 |
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125 Windows: Direct-X support ~ |
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126 |
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127 This adds the 'renderoptions' option to allow for switching on Direct-X |
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128 (DirectWrite) support on MS-Windows. |
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129 |
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130 |
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131 GTK+ 3 support ~ |
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133 GTK+ 2 is getting old, GTK+ 3 is here. Support has been added and it already |
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134 works quite well, mostly just like GTK+ 2. |
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135 |
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136 |
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137 Vim script enhancements *new-vim-script-8* |
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138 ----------------------- |
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139 |
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140 In Vim script the following types have been added: |
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141 |
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142 |Special| |v:false|, |v:true|, |v:none| and |v:null| |
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143 |Channel| connection to another process for asynchronous I/O |
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144 |Job| process control |
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145 |
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146 Many functions and commands have been added to support the new types. |
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147 |
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148 |
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149 |
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150 Various new items *new-items-8* |
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151 ----------------- |
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153 Normal mode commands: ~ |
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156 Insert mode commands: ~ |
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159 Options: ~ |
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161 |
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162 Ex commands: ~ |
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163 |
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165 Ex command modifiers: ~ |
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167 |
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168 Ex command arguments: ~ |
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169 |
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171 New and extended functions: ~ |
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175 New Vim variables: ~ |
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176 |
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177 |v:vim_did_enter| Set when VimEnter autocommands are triggered |
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178 |
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179 |
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180 New autocommand events: ~ |
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181 |
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182 |
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183 |
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184 New highlight groups: ~ |
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185 |
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187 New items in search patterns: ~ |
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188 |
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190 New Syntax/Indent/FTplugin files: ~ |
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191 |
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193 New Keymaps: ~ |
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194 |
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196 New message translations: ~ |
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197 |
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199 Others: ~ |
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202 ============================================================================== |
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203 INCOMPATIBLE CHANGES *incompatible-8* |
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204 |
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205 These changes are incompatible with previous releases. Check this list if you |
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206 run into a problem when upgrading from Vim 7.4 to 8.0. |
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207 |
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208 The support for MS-DOS has been removed. It hasn't been working for a while |
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209 and removing it cleans up the code quite a bit. |
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210 |
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211 The support for Windows 16 bit (Windows 95 and older) has been removed. |
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212 |
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213 Minor incompatibilities: |
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214 |
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215 For filetype detection: ... |
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217 ============================================================================== |
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218 IMPROVEMENTS *improvements-8* |
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219 |
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220 The existing blowfish encryption turned out to be much weaker than it was |
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221 supposed to be. The blowfish2 method has been added to fix that. Note that |
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222 this still isn't a state-of-the-art encryption, but good enough for most |
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223 usage. See 'cryptmethod'. |
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225 ============================================================================== |
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226 COMPILE TIME CHANGES *compile-changes-8* |
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228 Dropped the support for MS-DOS. It was too big to fit in memory. |
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231 ============================================================================== |
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232 PATCHES *patches-8* *bug-fixes-8* |
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234 The list of patches that got included since 7.4.0. This includes all the new |
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235 features, but does not include runtime file changes (syntax, indent, help, |
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236 etc.) |
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238 TODO: INCLUDE PATCH LIST. |
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240 vim:tw=78:ts=8:ft=help:norl: |