Merge branch 'release/v1.35.0'v1.35.0

* release/v1.35.0:
  Bump VERSION
  Add compatible/version guard to syntax after files
  Remove line continuations from VimL indent after
  Make /usr/include 'path' setting hinge on +unix
  Set UTF-8 default 'encoding'
  Interfere more specifically with 'path'
  Add to 'backupskip' one element at a time
  Amend a vimrc comment
  Sort .gitignore
  Anchor paths in .gitignore
  Remove dist/vim-plugin.sh
  Remove vim/dist from .gitignore
  Use full command name in CentOS system Vim revert
  Clarify perl.vim ftdetect comment a bit
  Remove silent! prefix from Debian 'rtp' revert
  Only add uppercase 'wildignore' if it matters
  Remove double-trail-slash from 'backupdir'
  Make 'backupskip' with Unix paths depend on +unix

1 files changed, 9 insertions, 6 deletions

diff --git a/vim/plugin/wildignore.vim b/vim/plugin/wildignore.vim
index b87b62b1..b10eaa01 100644
--- a/vim/plugin/wildignore.vim
+++ b/vim/plugin/wildignore.vim
@@ -154,12 +154,15 @@ function! s:Wildignore() abort
         \,'*.swp'
         \ ]
 
-  " For any that had lowercase letters, add their uppercase analogues
-  for l:ignore in l:ignores
-    if l:ignore =~# '\l'
-      call add(l:ignores, toupper(l:ignore))
-    endif
-  endfor
+  " If on a system where case matters for filenames, for any that had
+  " lowercase letters, add their uppercase analogues
+  if has('fname_case')
+    for l:ignore in l:ignores
+      if l:ignore =~# '\l'
+        call add(l:ignores, toupper(l:ignore))
+      endif
+    endfor
+  endif
 
   " Return the completed setting
   return join(l:ignores, ',')