-- render any highlights
        -- render link decorations
        local s,e,filename = unpack(link_offsets)
        local lo, hi = Text.clip_wikiword_with_screen_line(line, line_cache, i, s, e)
        if lo then
          button(State, 'link', {x=State.left+lo, y=y, w=hi-lo, h=State.line_height, color={1,1,1},
            icon = icon.hyperlink_decoration,
            onpress1 = function()
                         if file_exists(filename) then
                           source.switch_to_file(filename)
                         end
                       end,
          })
      for _,link_offsets in ipairs(line_cache.link_offsets) do

      -- render any highlights
        -- render link decorations
      if not hide_cursor and line_index == State.cursor1.line then
        -- render search highlight or cursor
        if State.search_term then
          local data = State.lines[State.cursor1.line].data
          local cursor_offset = Text.offset(data, State.cursor1.pos)
          if data:sub(cursor_offset, cursor_offset+#State.search_term-1) == State.search_term then
            local save_selection = State.selection1
            State.selection1 = {line=line_index, pos=State.cursor1.pos+utf8.len(State.search_term)}
            local lo, hi = Text.clip_selection(State, line_index, pos, pos+frag_len)
            Text.draw_highlight(State, line, State.left,y, pos, lo,hi)
            State.selection1 = save_selection
          end
        elseif Focus == 'edit' then
          if pos <= State.cursor1.pos and pos + frag_len > State.cursor1.pos then
            Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
          elseif pos + frag_len == State.cursor1.pos then
            -- Show cursor at end of line.
            -- This place also catches end of wrapping screen lines. That doesn't seem worth distinguishing.
            -- It seems useful to see a cursor whether your eye is on the left or right margin.
            Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
          end
        end
      end
      -- render colorized text
      local x = State.left
      for frag in screen_line:gmatch('%S*%s*') do
        select_color(frag)
        App.screen.print(frag, x,y)
        x = x+App.width(frag)
      end
        local s,e,filename = unpack(link_offsets)
        local lo, hi = Text.clip_wikiword_with_screen_line(line, line_cache, i, s, e)
        if lo then
          button(State, 'link', {x=State.left+lo, y=y, w=hi-lo, h=State.line_height, color={1,1,1},
            icon = icon.hyperlink_decoration,
            onpress1 = function()
                         if file_exists(filename) then
                           source.switch_to_file(filename)
                         end
                       end,
          })
      for _,link_offsets in ipairs(line_cache.link_offsets) do