elisp: Add new anchors instead of moving existing ones.
elisp: Update MD5 for current documentation source.
elisp: Use newly added anchors in Tokens.xml.
elisp: Be more liberal about allowed type and names.

"Special Forms" were not recognized because the type regex did not allow
spaces.  In addition some functions with odd characters in their name
(e.g., "let*" and "smie-prec2->grammar") were not recognized.
elisp: Index Macros and User Variables.
elisp: Index Prefix Commands and Constants.
Merge pull request #1 from dhull/elisp-fixes

Elisp fixes