runtime(lua): indent curly bracket followed by line comment (#12306)

fixes #12305

diff --git a/runtime/indent/lua.vim b/runtime/indent/lua.vim
index 0d1f934a03abbebf453efbc931c5f7ad3918b439..ff0f64be291e6822790d11c9a16f283d5d53851b 100644 (file)
--- a/runtime/indent/lua.vim
+++ b/runtime/indent/lua.vim
@@ -41,7 +41,7 @@ function! GetLuaIndent()
   let prevline = getline(prevlnum)
   let midx = match(prevline, '^\s*\%(if\>\|for\>\|while\>\|repeat\>\|else\>\|elseif\>\|do\>\|then\>\)')
   if midx == -1
-    let midx = match(prevline, '{\s*$')
+    let midx = match(prevline, '{\s*\%(--\%([^[].*\)\?\)\?$')
     if midx == -1
       let midx = match(prevline, '\<function\>\s*\%(\k\|[.:]\)\{-}\s*(')
     endif