use solely extmarks

spec/renderer_spec.lua

@@ -1,59 +1,7 @@
 local Renderer = require 'u.renderer'
 
---- @param markup string
-local function parse(markup)
-  -- call private method:
-  return (Renderer --[[@as any]])._parse_markup(markup)
-end
-
 describe('Renderer', function()
-  it('_parse_markup: empty string', function()
-    local nodes = parse [[]]
-    assert.are.same({}, nodes)
-  end)
-
-  it('_parse_markup: only string', function()
-    local nodes = parse [[The quick brown fox jumps over the lazy dog.]]
-    assert.are.same({
-      { kind = 'text', value = 'The quick brown fox jumps over the lazy dog.' },
-    }, nodes)
-  end)
-
-  it('_parse_markup: <', function()
-    local nodes = parse [[<t value="bleh" />]]
-    assert.are.same({
-      { kind = 'text', value = '<t value="bleh" />' },
-    }, nodes)
-  end)
-
-  it('_parse_markup: empty tag', function()
-    local nodes = parse [[</>]]
-    assert.are.same({ { kind = 'tag', name = '', attributes = {} } }, nodes)
-  end)
-
-  it('_parse_markup: tag', function()
-    local nodes = parse [[<t value="Hello" />]]
-    assert.are.same({
-      {
-        kind = 'tag',
-        name = 't',
-        attributes = {
-          value = 'Hello',
-        },
-      },
-    }, nodes)
-  end)
-
-  it('_parse_markup: attributes with quotes', function()
-    local nodes = parse [[<t value="Hello \"there\"" />]]
-    assert.are.same({
-      {
-        kind = 'tag',
-        name = 't',
-        attributes = {
-          value = 'Hello "there"',
-        },
-      },
-    }, nodes)
+  it('markup_to_string', function()
+    assert.are.equal(true, false) -- TODO
   end)
 end)