xhp-lib
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hhvm
Class libraries for XHP. XHP is a Hack feature that augments the syntax of the language such that XML document fragments become valid Hack expressions.
# Background For some context that inspired this request, currently working on a site using XHP for server-side HTML rendering. Looked into progressive enhancement frameworks for JS and found one...
```HACK final xhp class Poof extends x\element { attribute string data-poof = 'gone'; //... } ()->:data-poof; // null ```
fixes #299 Fixes: - `string data-attr = 'default value'` is now observed from `->:data-attr`. - `string data-attr @required` is now enforced in `->data-attr`.