Use syntastic instead of pyflakes (supports a ton of more languages)

sources_non_forked/syntastic/syntax_checkers/tex/chktex.vim

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+"============================================================================
+"File:        chktex.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  LCD 47 <lcd047 at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+"
+" For details about ChkTeX see:
+"
+" http://baruch.ev-en.org/proj/chktex/
+"
+" Checker options:
+"
+" - g:syntastic_tex_chktex_showmsgs (boolean; default: 1)
+"   whether to show informational messages (chktex option "-m");
+"   by default informational messages are shown as warnings
+"
+" - g:syntastic_tex_chktex_args (string; default: empty)
+"   command line options to pass to chktex
+
+if exists('g:loaded_syntastic_tex_chktex_checker')
+    finish
+endif
+let g:loaded_syntastic_tex_chktex_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+if !exists('g:syntastic_tex_chktex_showmsgs')
+    let g:syntastic_tex_chktex_showmsgs = 1
+endif
+
+function! SyntaxCheckers_tex_chktex_GetLocList() dict
+    let makeprg = self.makeprgBuild({ 'args_after': '-q -v1' })
+
+    let errorformat =
+        \ '%EError %n in %f line %l: %m,' .
+        \ '%WWarning %n in %f line %l: %m,' .
+        \ (g:syntastic_tex_chktex_showmsgs ? '%WMessage %n in %f line %l: %m,' : '') .
+        \ '%Z%p^,' .
+        \ '%-G%.%#'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'subtype': 'Style',
+        \ 'postprocess': ['sort'] })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'tex',
+    \ 'name': 'chktex'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/tex/lacheck.vim

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+"============================================================================
+"File:        tex.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Martin Grenfell <martin.grenfell at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+
+if exists('g:loaded_syntastic_tex_lacheck_checker')
+    finish
+endif
+let g:loaded_syntastic_tex_lacheck_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_tex_lacheck_GetLocList() dict
+    let makeprg = self.makeprgBuild({})
+
+    let errorformat =
+        \ '%-G** %f:,' .
+        \ '%E"%f"\, line %l: %m'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'tex',
+    \ 'name': 'lacheck'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4: