runtime(git): Make diffs foldable
diff --git a/runtime/syntax/git.vim b/runtime/syntax/git.vim
index bf013ce..51eb812 100644
--- a/runtime/syntax/git.vim
+++ b/runtime/syntax/git.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: generic git output
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
-" Last Change: 2022 Jan 05
+" Last Change: 2023 Dec 28
if exists("b:current_syntax")
finish
@@ -38,7 +38,7 @@
syn region gitDiff start=/^\%(diff --git \)\@=/ end=/^\%(diff --\|$\)\@=/ contains=@gitDiff fold
syn region gitDiff start=/^\%(@@ -\)\@=/ end=/^\%(diff --\%(git\|cc\|combined\) \|$\)\@=/ contains=@gitDiff
-syn region gitDiffMerge start=/^\%(diff --\%(cc\|combined\) \)\@=/ end=/^\%(diff --\|$\)\@=/ contains=@gitDiff
+syn region gitDiffMerge start=/^\%(diff --\%(cc\|combined\) \)\@=/ end=/^\%(diff --\|$\)\@=/ contains=@gitDiff fold
syn region gitDiffMerge start=/^\%(@@@@* -\)\@=/ end=/^\%(diff --\|$\)\@=/ contains=@gitDiff
syn match gitDiffAdded "^ \++.*" contained containedin=gitDiffMerge
syn match gitDiffAdded "{+[^}]*+}" contained containedin=gitDiff