Improve rdc:template documentation for grammar attribute.

Nudge from Shane Smith:

http://marc.theaimsgroup.com/?l=taglibs-dev&m=113027553509751&w=2


git-svn-id: https://svn.apache.org/repos/asf/jakarta/taglibs/proper/rdc/trunk@332908 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: a91924af06199fc9c2bc6c7fb40bd288f186b3af
  1. doc/
  2. examples/
  3. src/
  4. xml/
  5. build.xml
  6. README