runtime(c): add new constexpr keyword to syntax file (C23)
closes: #16471
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/c.vim b/runtime/syntax/c.vim
index eb56239..68b6778 100644
--- a/runtime/syntax/c.vim
+++ b/runtime/syntax/c.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: C
" Maintainer: The Vim Project <https://github.com/vim/vim>
-" Last Change: 2025 Jan 15
+" Last Change: 2025 Jan 18
" Former Maintainer: Bram Moolenaar <Bram@vim.org>
" Quit when a (custom) syntax file was already loaded
@@ -318,6 +318,9 @@
if !exists("c_no_c99") && !s:in_cpp_family
syn keyword cStorageClass inline restrict
endif
+if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp11"))
+ syn keyword cStorageClass constexpr
+endif
if !exists("c_no_c11")
syn keyword cStorageClass _Alignas alignas
syn keyword cOperator _Alignof alignof