Less.js 2.6.0 發布，CSS 預處理器

Less.js 2.6.0 發布了，改進記錄包括：

• Underscore now allowed in dimension unit

• Fixes for import by reference

• Fix for #2384 Changes HTTPRequest "sync" setting to simply hide the page until less has rendered, browser version is now orders of magnitude faster.

• Added ability to cache stylesheets while using modifyVars

• Error when when image-size functions are used in browser-less

• Fixed extend leaking through nested parent selector. #2586

• Added "or" keyword and allowed arbitrary logical expression in guards

• Fixing #2124 - Parsing Error "Unrecognised input" for color operations

• Logical operator and now has higher precence then logical operator or.

• Allow unknown at-rules w/o {} block

Less CSS 是一個使用廣泛的 CSS 預處理器，通過簡單的語法和變量對 CSS 進行擴展，可減少很多 CSS 的代碼量。

LESS 將 CSS 賦予了動態語言的特性，如 變量， 繼承， 運算， 函數. LESS 既可以在 客戶端 上運行 (支持IE 6+, Webkit, Firefox)，也可一在服務端運行 (借助 Node.js).

來自： http://www.oschina.net//news/70353/less-css-2-6-0