Merge branch 'mMontu-dev' into dev

doc/vimwiki.txt

@@ -2458,6 +2458,8 @@ Limitations:
   - 'list' is intended to work with lists nicely indented with 'shiftwidth'.
   - 'syntax' is only available for the default syntax so far.
 
+The options above can be suffixed with ':quick' (e.g.: 'expr:quick') in order
+to use some workarounds to make folds work faster.
 
 ------------------------------------------------------------------------------
 *g:vimwiki_list_ignore_newline*

plugin/vimwiki.vim

@@ -147,18 +147,18 @@ endfunction
 " Vimwiki buffer.
 function! s:set_windowlocal_options()
   let foldmethod = vimwiki#vars#get_global('folding')
-  if foldmethod ==? 'expr'
+  if foldmethod =~? '^expr.*'
     setlocal foldmethod=expr
     setlocal foldexpr=VimwikiFoldLevel(v:lnum)
     setlocal foldtext=VimwikiFoldText()
-  elseif foldmethod ==? 'list' || foldmethod ==? 'lists'
+  elseif foldmethod =~? '^list.*' || foldmethod =~? '^lists.*'
     setlocal foldmethod=expr
     setlocal foldexpr=VimwikiFoldListLevel(v:lnum)
     setlocal foldtext=VimwikiFoldText()
-  elseif foldmethod ==? 'syntax'
+  elseif foldmethod =~? '^syntax.*'
     setlocal foldmethod=syntax
     setlocal foldtext=VimwikiFoldText()
-  elseif foldmethod ==? 'custom'
+  elseif foldmethod =~? '^custom.*'
     " do nothing
   else
     setlocal foldmethod=manual
@@ -229,6 +229,16 @@ augroup vimwiki
       exe 'autocmd InsertLeave *'.s:ext.' call vimwiki#tbl#format(line("."))'
       exe 'autocmd InsertEnter *'.s:ext.' call vimwiki#tbl#reset_tw(line("."))'
     endif
+    if vimwiki#vars#get_global('folding') =~? ':quick$'
+      " from http://vim.wikia.com/wiki/Keep_folds_closed_while_inserting_text
+      " Don't screw up folds when inserting text that might affect them, until
+      " leaving insert mode. Foldmethod is local to the window. Protect against
+      " screwing up folding when switching between windows.
+      exe 'autocmd InsertEnter *'.s:ext.' if !exists("w:last_fdm") | let w:last_fdm=&foldmethod'.
+            \ ' | setlocal foldmethod=manual | endif'
+      exe 'autocmd InsertLeave,WinLeave *'.s:ext.' if exists("w:last_fdm") |'.
+            \ 'let &l:foldmethod=w:last_fdm | unlet w:last_fdm | endif'
+    endif
   endfor
 augroup END