Automatically derive odd wrapping behavior for your browser自动为浏览器派生奇怪的包装行为

This is a hack to automatically derive a spanAffectsWrapping regexp for a browser. 这是为浏览器自动派生spanAffectsWrapping正则表达式的伎俩。 See the comments above that variable in lib/codemirror.js for some more details.请参阅lib/codemirror.js中的变量上的注释,以了解详情。