var ace = require('brace'); require('brace/mode/lua'); require('brace/theme/solarized_dark'); var editor = ace.edit('lua-editor'); editor.setTheme('ace/theme/solarized_dark'); editor.getSession().setMode('ace/mode/lua'); editor.setValue([ '--- Lua' , 'for i = 5, 11, 0.5 do' , ' print(i)' , 'end' , '--- error below should be marked' , 'for i =' ].join('\n') ); editor.clearSelection();