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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- Copyright (c) 2013 Warren Block
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS
IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$FreeBSD$
-->
<chapter xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
xml:id="editor-config">
<title>Editor Configuration</title>
<para>Adjusting text editor configuration can make working on
document files quicker and easier, and help documents conform to
<acronym>FDP</acronym> guidelines.</para>
<sect1 xml:id="editor-config-vim">
<title><application>Vim</application></title>
<para>Install from <package>editors/vim</package>
or <package>editors/vim-lite</package>.</para>
<sect2 xml:id="editor-config-vim-config">
<title>Configuration</title>
<para>Edit <filename>~/.vimrc</filename>, adding these
lines:</para>
<programlisting>if has("autocmd")
au BufNewFile,BufRead *.sgml,*.ent,*.xsl,*.xml call Set_SGML()
au BufNewFile,BufRead *.[1-9] call ShowSpecial()
endif " has(autocmd)
function Set_Highlights()
"match ExtraWhitespace /^\s* \s*\|\s\+$/
highlight default link OverLength ErrorMsg
match OverLength /\%71v.\+/
return 0
endfunction
function ShowSpecial()
setlocal list listchars=tab:>>,trail:*,eol:$
hi def link nontext ErrorMsg
return 0
endfunction " ShowSpecial()
function Set_SGML()
setlocal number
syn match sgmlSpecial "&[^;]*;"
setlocal syntax=sgml
setlocal filetype=xml
setlocal shiftwidth=2
setlocal textwidth=70
setlocal tabstop=8
setlocal softtabstop=2
setlocal formatprg="fmt -p"
setlocal autoindent
setlocal smartindent
" Rewrap paragraphs
noremap P gqj
" Replace spaces with tabs
noremap T :s/ /\t/<CR>
call ShowSpecial()
call Set_Highlights()
return 0
endfunction " Set_SGML()</programlisting>
</sect2>
<sect2 xml:id="editor-config-vim-use">
<title>Use</title>
<para>Press <keycap>P</keycap> to reformat paragraphs or text that has been selected in Visual mode. Press
<keycap>T</keycap> to replace groups of eight spaces with a
tab.</para>
</sect2>
</sect1>
<sect1 xml:id="editor-config-emacs">
<title><application>Emacs</application></title>
<para>Install from
<package>editors/emacs</package>
or <package>editors/xemacs</package>.</para>
<para>Edit <filename>~/.emacs</filename>, adding this
line:</para>
<programlisting>(add-hook 'nxml-mode-hook 'turn-on-auto-fill)</programlisting>
</sect1>
<sect1 xml:id="editor-config-nano">
<title><application>nano</application></title>
<para>Install from
<package>editors/nano</package> or
<package>editors/nano-devel</package>.</para>
<sect2 xml:id="editor-config-nano-config">
<title>Configuration</title>
<para>Copy the sample <acronym>XML</acronym> syntax highlight
file to the user's home directory:</para>
<screen>&prompt.user; <userinput>cp /usr/local/share/nano/xml.nanorc ~/.nanorc</userinput></screen>
<para>Add these lines to the new
<filename>~/.nanorc</filename>.</para>
<programlisting>syntax "xml" "\.([jrs]html?|xml|xslt?)$"
# trailing whitespace
color ,blue "[[:space:]]+$"
# multiples of eight spaces at the start a line
# (after zero or more tabs) should be a tab
color ,blue "^([TAB]*[ ]{8})+"
# tabs after spaces
color ,yellow "( )+TAB"
# highlight indents that have an odd number of spaces
color ,red "^(([ ]{2})+|(TAB+))*[ ]{1}[^ ]{1}"
# lines longer than 70 characters
color ,yellow "^(.{71})|(TAB.{63})|(TAB{2}.{55})|(TAB{3}.{47}).+$"</programlisting>
<para>Process the file to create embedded tabs:</para>
<screen>&prompt.user; <userinput>perl -i'' -pe 's/TAB/\t/g' ~/.nanorc</userinput></screen>
</sect2>
<sect2 xml:id="editor-config-nano-use">
<title>Use</title>
<para>Specify additional helpful options when running the
editor:</para>
<screen>&prompt.user; <userinput>nano -AKipwz -r 70 -T8 <replaceable>chapter.xml</replaceable></userinput></screen>
<para>Users of &man.csh.1; can define an alias in
<filename>~/.cshrc</filename> to automate these
options:</para>
<programlisting>alias nano "nano -AKipwz -r 70 -T8"</programlisting>
<para>After the alias is defined, the options will be added
automatically:</para>
<screen>&prompt.user; <userinput>nano <replaceable>chapter.xml</replaceable></userinput></screen>
</sect2>
</sect1>
</chapter>
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