CodeMirror 2.35/3.0 Beta2，在线代码编辑

CodeMirror 2.35 发布了，主要改进包括：

• New (sub) mode: TypeScript.
• Don't overwrite (insert key) when pasing.
• Fix several bugs in markText/undo interaction.
• Better indentation of JavaScript code without semicolons.
• Add defineInitHook function.
• Full list of patches.

同时发布的还有 3.0 Beta 2 版本，改进记录：

• Fix page-based coordinate computation.
• Fix firing of gutterClick event.
• Add cursorHeight option.
• Fix bi-directional text regression.
• Add viewportMargin option.
• Directly handle mousewheel events (again, hopefully better).
• Make vertical cursor movement more robust (through widgets, big line gaps).
• Add flattenSpans option.
• Initialization in hidden state works again.
• Many optimizations. Poor responsiveness should be fixed.
• Full list of patches.

CodeMirror 是一款“Online Source Editor”，基于Javascript，短小精悍，实时在线代码高亮显示，他不是某个富文本编辑器的附属产品，他是许多大名鼎鼎的在线代码编辑器的基础库。