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-rw-r--r--runtime/autoload/man.vim2
1 files changed, 1 insertions, 1 deletions
diff --git a/runtime/autoload/man.vim b/runtime/autoload/man.vim
index 8ac8069730..320dd84263 100644
--- a/runtime/autoload/man.vim
+++ b/runtime/autoload/man.vim
@@ -279,7 +279,7 @@ function! man#init_pager() abort
endif
" This is not perfect. See `man glDrawArraysInstanced`. Since the title is
" all caps it is impossible to tell what the original capitilization was.
- let ref = tolower(matchstr(getline(1), '^\S\+'))
+ let ref = substitute(matchstr(getline(1), '^[^)]\+)'), ' ', '_', 'g')
try
let b:man_sect = man#extract_sect_and_name_ref(ref)[0]
catch