File changes.lang of Package gtksourceview4

<?xml version="1.0" encoding="UTF-8"?>
<!--

 This file is not part of GtkSourceView.

 Author: Luciano Santos
 Copyright (C) 2018 Luciano Santos <luc14n0@linuxmail.org>

 This Language Definiton file is free; you can redistribute it
 and/or modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This Language Definiton file is distributed in the hope that it
 will be useful, but WITHOUT ANY WARRANTY; without even the implied
 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 See the GNU Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, see
 <http://www.gnu.org/licenses/>.

-->
<language id="changes" name="Changes" version="2.0" _section="Other">

  <metadata>
    <property name="mimetypes">text/plain</property>
    <property name="globs">*changes</property>
  </metadata>

  <styles>
    <style id="horizontal-rule" name="Horizontal Rule" map-to="def:type"/>
    <style id="date" name="Date" map-to="def:number"/>
    <style id="email" name="E-mail address" map-to="def:identifier"/>
    <style id="bullet" name="Bullet" map-to="def:type"/>
  </styles>

  <definitions>
    <define-regex id="weekday">Mon|Tue|Wed|Thu|Fri|Sat|Sun</define-regex>
    <define-regex id="month">Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec</define-regex>

    <define-regex id="date" extended="true">
      \%{weekday}\s+\%{month}\s+\d{1,2}\s+\d{1,2}:\d{1,2}:\d{1,2}\s+\w{3,4}\s+\d{4}
    </define-regex>

    <context id="changes">
      <include>

        <context id="horizontal-rule" style-ref="horizontal-rule" class="no-spell-check">
          <match>^-{67}$</match>
        </context>

        <context id="date-email" class="no-spell-check">
          <match extended="true">
            ^(?P&lt;date&gt;\%{date})\s-\s
            (?P&lt;email&gt;.*@.*\.\w{2,3})$
          </match>
          <include>
            <context sub-pattern="date" style-ref="date"/>
            <context sub-pattern="email" style-ref="email"/>
          </include>
       </context>
       <context id="bullet" style-ref="bullet">
         <match extended="true">
           (
             ^-\s |
             ^[ ]{2}(\*|\+)\s |
             ^[ ]{4}-\s |
             ^[ ]{6}\.\s
           )
         </match>
       </context>

      </include>
    </context>
  </definitions>

</language>