runtime(diff): Update default links (#13776)

Problem: Current default links for `diffAdded`, `diffChanged`, and
              `diffRemoved` do not address the diff nature of the filetype.
Solution: Use `DiffAdd`, `DiffChange`, and `DiffDelete`.

closes: #13759

Signed-off-by: Evgeni Chasnovski <evgeni.chasnovski@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/syntax/diff.vim b/runtime/syntax/diff.vim
index 4cadf5dae8c91324ce14b446f2ea961187075530..b5c3f5ecbbb01bedd6be2282551203f6646b62e1 100644 (file)
--- a/runtime/syntax/diff.vim
+++ b/runtime/syntax/diff.vim
@@ -378,9 +378,9 @@ hi def link diffBDiffer             Constant
 hi def link diffIsA            Constant
 hi def link diffNoEOL          Constant
 hi def link diffCommon         Constant
-hi def link diffRemoved                Special
-hi def link diffChanged                PreProc
-hi def link diffAdded          Identifier
+hi def link diffRemoved                DiffDelete
+hi def link diffChanged                DiffChange
+hi def link diffAdded          DiffAdd
 hi def link diffLine           Statement
 hi def link diffSubname                PreProc
 hi def link diffComment                Comment