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-rw-r--r--runtime/lua/vim/filetype/detect.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/runtime/lua/vim/filetype/detect.lua b/runtime/lua/vim/filetype/detect.lua
index 7fc7f1b7ca..23fa1c5068 100644
--- a/runtime/lua/vim/filetype/detect.lua
+++ b/runtime/lua/vim/filetype/detect.lua
@@ -181,7 +181,7 @@ function M.cls(bufnr)
return vim.g.filetype_cls
end
local line = getlines(bufnr, 1)
- if line:find('^%%') then
+ if line:find('^[%%\\]') then
return 'tex'
elseif line:find('^#') and line:lower():find('rexx') then
return 'rexx'