watch text-changes with signals

examples/counter.lua

@@ -22,29 +22,10 @@ tracker.create_effect(function()
   -- constructed with `h(...)` calls). To help organize the markup, text and
   -- tags can be nested in tables at any depth. Line breaks must be specified
   -- manually, with '\n'.
-  local text_ref = ui_buf.renderer:create_ref()
   ui_buf:render {
     'Reactive Counter Example\n',
     '========================\n\n',
 
-    {
-      'Text field: ',
-      h('text', { hl = 'DiffAdd', ref = text_ref }, { '[]' }),
-      '\n',
-      h('text', {
-        hl = 'DiffAdd',
-        nmap = {
-          ['<CR>'] = function()
-            vim.notify(text_ref:text())
-            return ''
-          end,
-        },
-      }, ' Submit '),
-    },
-
-    '\n',
-    '\n',
-
     { 'Counter: ', tostring(count), '\n' },
 
     '\n',