Drop support for Gentoo style ChaneLogsv9

They haven't been used anywhere for ages.

Signed-off-by: Anna Vyalkova <cyber+gentoo@sysrq.in>
Closes: https://github.com/gentoo/gentoo-syntax/pull/57
Signed-off-by: Michał Górny <mgorny@gentoo.org>

4 files changed, 7 insertions, 90 deletions

diff --git a/doc/gentoo-syntax.txt b/doc/gentoo-syntax.txt
index 854241f..8e68f7a 100644
--- a/doc/gentoo-syntax.txt
+++ b/doc/gentoo-syntax.txt
@@ -18,7 +18,6 @@ Authors:  Ciaran McCreesh <ciaranm   at gentoo dot org>
 	    Common Syntax Rules                     |gentoo-common-syntax|
 	    Ebuild and Eclass Files                 |gentoo-ebuild-syntax|
 	    GLEP Files                                |gentoo-glep-syntax|
-	    ChangeLogs                           |gentoo-changelog-syntax|
 	    conf.d Files                            |gentoo-conf.d-syntax|
 	    cron.d Files                            |gentoo-cron.d-syntax|
 	    env.d Files                              |gentoo-env.d-syntax|
@@ -43,8 +42,8 @@ Authors:  Ciaran McCreesh <ciaranm   at gentoo dot org>
 
 	The gentoo-syntax package provides a collection of syntax, ftdetect,
 	ftplugin and indent files to help Gentoo developers and users work
-	with ebuilds, eclasses, GLEPs, Gentoo style ChangeLogs, init.d /
-	conf.d / env.d / cron.d entries, /etc/portage/ files and so on.
+	with ebuilds, eclasses, GLEPs, init.d / conf.d / env.d / cron.d entries,
+	/etc/portage/ files and so on.
 
     Detection Specifics				     *gentoo-syntax-detection*
 
@@ -56,9 +55,6 @@ Authors:  Ciaran McCreesh <ciaranm   at gentoo dot org>
 	the first line of the file starts with "GLEP: ". They are assigned the
 	'glep' filetype.
 
-	Gentoo ChangeLogs are detected by the 'ChangeLog' filename and a
-	copyright header on the second line.
-
 	init.d scripts are detected by being in /etc/init.d/ . They are also
 	detected if they are under a files/ directory and include a
 	'#!/sbin/runscript' header.
@@ -79,8 +75,8 @@ Authors:  Ciaran McCreesh <ciaranm   at gentoo dot org>
 
     Highlighting Specifics			  *gentoo-syntax-highlighting*
 
-	Syntax highlighting is provided for ebuild/eclass, GLEP files,
-	Gentoo ChangeLogs and init.d / conf.d / env.d / cron.d scripts.
+	Syntax highlighting is provided for ebuild/eclass, GLEP files and
+	init.d / conf.d / env.d / cron.d scripts.
 
 							*gentoo-common-syntax*
 
@@ -106,11 +102,6 @@ Authors:  Ciaran McCreesh <ciaranm   at gentoo dot org>
 	syntax file. Additional highlighting is available for the headers at
 	the top of the file and for heading sections.
 
-						     *gentoo-changelog-syntax*
-
-	Syntax highlighting for Gentoo ChangeLogs is implemented from scratch
-	(some rules come from |gentoo-common-syntax|).
-
 							*gentoo-conf.d-syntax*
 
 	Syntax highlighting for conf.d files is based upon the vim-provided
@@ -183,8 +174,7 @@ Authors:  Ciaran McCreesh <ciaranm   at gentoo dot org>
 	the hyphen character is added as a valid keyword character
 	(|'iskeyword'|).
 
-	For ebuilds, eclasses and ChangeLogs, UTF-8 is used for fileencoding
-	as per GLEP 31.
+	For ebuilds, eclasses, UTF-8 is used for fileencoding as per GLEP 31.
 
     Indent Specifics				      *gentoo-indent-settings*
 
diff --git a/ftdetect/gentoo.vim b/ftdetect/gentoo.vim
index b2ed1bd..d63d88c 100644
--- a/ftdetect/gentoo.vim
+++ b/ftdetect/gentoo.vim
@@ -4,8 +4,8 @@
 " Copyright:	Copyright (c) 2004-2005 Ciaran McCreesh
 " Licence:	You may redistribute this under the same terms as Vim itself
 "
-" This sets up syntax highlighting for Gentoo ebuilds, eclasses, GLEPs and
-" Gentoo style ChangeLogs.
+" This sets up syntax highlighting for Gentoo ebuilds, eclasses, GLEPs, init.d /
+" conf.d / env.d / cron.d entries,  /etc/portage/ files and so on.
 "
 
 if &compatible || v:version < 603
@@ -23,12 +23,6 @@ au BufNewFile,BufRead *.txt,*.rst
     \     set filetype=glep |
     \ endif
 
-" ChangeLogs
-au BufNewFile,BufRead ChangeLog*
-    \ if (getline(2) =~? "^# Copyright \\d\\+-\\d\\+ Gentoo Foundation") |
-    \     set filetype=gentoo-changelog |
-    \ endif
-
 " /etc/init.d/ scripts
 au BufNewFile,BufRead /etc/init.d/*
     \     set filetype=gentoo-init-d.sh |
diff --git a/ftplugin/gentoo-changelog.vim b/ftplugin/gentoo-changelog.vim
deleted file mode 100644
index 1e1ca66..0000000
--- a/ftplugin/gentoo-changelog.vim
+++ /dev/null
@@ -1,15 +0,0 @@
-" Vim filetype plugin file
-" Language:	Gentoo ChangeLogs
-" Author:	Ciaran McCreesh <ciaranm@gentoo.org>
-" Copyright:	Copyright (c) 2004-2005 Ciaran McCreesh
-" Licence:	You may redistribute this under the same terms as Vim itself
-"
-" Sets up settings for Gentoo ChangeLogs as per GLEP 31.
-"
-
-if &compatible || v:version < 603
-    finish
-endif
-
-" GLEP 31 settings
-setlocal fileencoding=utf-8
diff --git a/syntax/gentoo-changelog.vim b/syntax/gentoo-changelog.vim
deleted file mode 100644
index 4440861..0000000
--- a/syntax/gentoo-changelog.vim
+++ /dev/null
@@ -1,52 +0,0 @@
-" Vim syntax file
-" Language:	Gentoo ChangeLogs
-" Author:	Ciaran McCreesh <ciaranm@gentoo.org>
-" Copyright:	Copyright (c) 2004-2005 Ciaran McCreesh
-" Licence:	You may redistribute this under the same terms as Vim itself
-"
-" Syntax highlighting for Gentoo ChangeLogs. Needs vim 6.3 or later.
-"
-
-if &compatible || v:version < 603
-    finish
-endif
-
-if exists("b:current_syntax")
-    finish
-endif
-
-runtime syntax/gentoo-common.vim
-
-" Releases
-syn region GentooChangeLogRelease start=/^\*/ end=/$/ contains=GentooChangeLogReleaseDate
-syn match GentooChangeLogReleaseDate contained /(\d\d\s\w\+\s\d\{4\})/
-
-" Entries
-syn region GentooChangeLogEntry start=/^\s\+/ end=/\n\n/
-    \ contains=GentooChangeLogEntryDate,GentooBug
-syn region GentooChangeLogEntryDate contained start=/\d\?\d\s\w\+\s\d\{4\}/ end=/;/
-    \ nextgroup=GentooChangeLogEntryAuthor,GentooChangeLogEntryEmail skipwhite skipnl
-syn region GentooChangeLogEntryAuthor contained start=/\S/ end=/\( <\)\@=/
-    \ nextgroup=GentooChangeLogEntryEmail skipwhite skipnl
-syn match  GentooChangeLogEntryEmail contained /<\?[a-zA-Z0-9\.\-\_]\+@[a-zA-Z0-9\.\-\_]\+>\?/
-    \ nextgroup=GentooChangeLogFiles skipwhite skipnl
-syn region GentooChangeLogFiles contained start=/\(\S\)\@=/ end=/:/
-    \ contains=GentooChangeLogAddFile,GentooChangeLogDelFile,GentooChangeLogModFile
-
-" Add / delete / changed files
-syn region GentooChangeLogAddFile contained start=/+/ end=/\([,:]\)\@=/
-syn region GentooChangeLogDelFile contained start=/-/ end=/\([,:]\)\@=/
-syn region GentooChangeLogModFile contained start=/[a-zA-Z0-9]/ end=/\([,:]\)\@=/
-
-" Colours
-hi def link GentooChangeLogEntryDate        Number
-hi def link GentooChangeLogEntryAuthor      String
-hi def link GentooChangeLogEntryEmail       Special
-hi def link GentooChangeLogModFile          Identifier
-hi def link GentooChangeLogAddFile          DiffAdd
-hi def link GentooChangeLogDelFile          DiffDelete
-
-hi def link GentooChangeLogRelease          Title
-hi def link GentooChangeLogReleaseDate      Number
-
-let b:current_syntax = "gentoo-changelog"