Cherry-pick the changes from dev -- part7

doc/vimwiki.txt

@@ -455,6 +455,13 @@ gLI                     Change the symbol of the current list to
                         To remap: >
                         noremap glo :VimwikiChangeSymbolTo I)<CR>
                         noremap glO :VimwikiChangeSymbolInListTo I)<CR>
+<
+                        *vimwiki_glx*
+glx                     Toggle checkbox of a list item disabled/off.
+                        Maps to |:VimwikiToggleRejectedListItem|.
+                        See |vimwiki-todo-lists|.
+                        To remap: >
+                        :map <Leader>tx <Plug>VimwikiToggleRejectedListItem
 <
                         *vimwiki_gqq*  *vimwiki_gww*
 gqq                     Format table. If you made some changes to a table
@@ -656,6 +663,10 @@ Vimwiki file.
     Toggle checkbox of a list item on/off.
     See |vimwiki-todo-lists|.
 
+*:VimwikiToggleRejectedListItem*
+    Toggle checkbox of a list item disabled/off.
+    See |vimwiki-todo-lists|.
+
 *:VimwikiListChangeLevel* CMD
     Change the nesting level, or symbol, for a single-line list item.
     CMD may be ">>" or "<<" to change the indentation of the item, or
@@ -1617,6 +1628,9 @@ Use gl<Space> (see |vimwiki_gl<Space>|) to remove a single checkbox and
 gL<Space> (see |vimwiki_gL<Space>|) to remove all checkboxes of the list the
 cursor is in.
 
+You can mark an item as rejected ("won't do") with
+|vimwiki_glx|. A rejected item will not influence the status of its parents.
+
 
 ==============================================================================
 9. Tables                                                     *vimwiki-tables*
@@ -2341,6 +2355,19 @@ You can set it to some more fancy symbols like this:
    let g:vimwiki_listsyms = '✗○◐●✓'
 
 
+------------------------------------------------------------------------------
+*g:vimwiki_listsym_rejected*
+
+Character that is used to show that an item of a todo list will not be done.
+Default value is '-'.
+
+The character used here must not be part of |g:vimwiki_listsyms|.
+
+You can set it to a more fancy symbol like this:
+>
+   let g:vimwiki_listsym_rejected = '✗'
+
+
 ------------------------------------------------------------------------------
 *g:vimwiki_use_mouse*