Add slime syntax, closes #252

syntax/gitsendemail.vim

@@ -0,0 +1,27 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'git') == -1
+  
+" Vim syntax file
+" Language:	git send-email message
+" Maintainer:	Tim Pope
+" Filenames:	.gitsendemail.*
+" Last Change:	2010 May 21
+
+if exists("b:current_syntax")
+  finish
+endif
+
+runtime! syntax/mail.vim
+unlet! b:current_syntax
+syn include @gitsendemailDiff syntax/diff.vim
+syn region gitsendemailDiff start=/\%(^diff --\%(git\|cc\|combined\) \)\@=/ end=/^-- %/ fold contains=@gitsendemailDiff
+
+syn case match
+
+syn match   gitsendemailComment "\%^From.*#.*"
+syn match   gitsendemailComment "^GIT:.*"
+
+hi def link gitsendemailComment Comment
+
+let b:current_syntax = "gitsendemail"
+
+endif