Don't check a [-] list item when its parent is [X] checked
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		@@ -299,6 +299,13 @@ function! s:regexp_of_marker(item)
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endfunction
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" Returns: Whether or not the checkbox of a list item is [X] or [-]
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function! s:is_closed(item)
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  let state = a:item.cb
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  return state ==# vimwiki#vars#get_syntaxlocal('listsyms_list')[-1]
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        \ || state ==# vimwiki#vars#get_global('listsym_rejected')
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endfunction
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" ---------------------------------------------------------
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" functions for navigating between items
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" ---------------------------------------------------------
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@@ -756,10 +763,15 @@ function! s:set_state(item, new_rate)
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endfunction
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"Set state of the list item to [ ] or [o] or whatever
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"Updates the states of its child items
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function! s:set_state_plus_children(item, new_rate)
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" Sets the state of the list item to [ ] or [o] or whatever. Updates the states of its child items.
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" If the new state should be [X] or [-], the state of the current list item is changed to this
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" state, but if a child item already has [X] or [-] it is left alone.
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function! s:set_state_plus_children(item, new_rate, ...)
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  let retain_checked_and_rejected = a:0 > 0 && a:1 > 0
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  if !(retain_checked_and_rejected && s:is_closed(a:item))
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    call s:set_state(a:item, a:new_rate)
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  endif
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  let child_item = s:get_first_child(a:item)
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  while 1
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@@ -767,7 +779,7 @@ function! s:set_state_plus_children(item, new_rate)
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      break
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    endif
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    if child_item.cb != ''
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      call s:set_state_plus_children(child_item, a:new_rate)
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      call s:set_state_plus_children(child_item, a:new_rate, 1)
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    endif
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    let child_item = s:get_next_child_item(a:item, child_item)
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  endwhile
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@@ -866,8 +878,7 @@ function! s:remove_cb(item)
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endfunction
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"Change state of checkbox
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"in the lines of the given range
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" Change state of the checkboxes in the lines of the given range
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function! s:change_cb(from_line, to_line, new_rate)
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  let from_item = s:get_corresponding_item(a:from_line)
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  if from_item.type == 0
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@@ -894,7 +905,7 @@ function! s:change_cb(from_line, to_line, new_rate)
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endfunction
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" Toggles checkbox between two states in the lines of the given range, creates chceckboxes (with
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" Toggles checkbox between two states in the lines of the given range, creates checkboxes (with
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" a:start_rate as state) if there aren't any.
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function! s:toggle_create_cb(from_line, to_line, state1, state2, start_rate)
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  let from_item = s:get_corresponding_item(a:from_line)
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