ivaynberg/select2 — pull request #174 by andyfowler (2012-06-28 22:32:42+00:00)
Title: Use browser-native placeholder attribute for multi selects

Especially for users with OS X (where native placeholders stay visible during focus), it's often easier just to set use the browser's built-in placeholder attribute. This adds the boolean `nativePlaceholder` option for multiple selects. (Looks like )