Enhancements for the scribble language (a documentation language based on Racket)

racket-library

Matthew Flatt 3ac30a1f35 scribble: fix duplicate call to `render-element' callback ... This change should cut the time to generate the search index roughly in half. original commit: 00e1ed9369d8401ef349f9c9fb9475d30ab2cda1		2012-06-08 16:08:55 +08:00
collects	scribble: fix duplicate call to `render-element' callback	2012-06-08 16:08:55 +08:00