Changes to `phpBB-find-nested-quotes': - Split level-2 fontification into "common" and "actual" vars.  Level-2 will   use the old regexp-based single-level quote fontification.  Level-3 uses the   multi-level fontification function to handle both plain and multiply-nested   quotes. - Pulled out the re-search-forward calls into a defsubst for easier   maintenance. - Enhanced the doc-comments at the head of the defun. - Added tag1-start-pos and tag1-end-pos for efficiency purposes. - Turned the `cond' checking for end-tag vs. start-tag into an `if', removing   the unnecessary `looking-at' call on the end-tag regexp. - For efficiency purposes, we now compute the end-tag points from   tag1-start-pos and string length.
Changes to `phpBB-find-nested-quotes':
- Split level-2 fontification into "common" and "actual" vars.  Level-2 will
  use the old regexp-based single-level quote fontification.  Level-3 uses the
  multi-level fontification function to handle both plain and multiply-nested
  quotes.
- Pulled out the re-search-forward calls into a defsubst for easier
  maintenance.
- Enhanced the doc-comments at the head of the defun.
- Added tag1-start-pos and tag1-end-pos for efficiency purposes.
- Turned the `cond' checking for end-tag vs. start-tag into an `if', removing
  the unnecessary `looking-at' call on the end-tag regexp.
- For efficiency purposes, we now compute the end-tag points from
  tag1-start-pos and string length.

git-svn-id: 878c64cd919f2ae7d170da6c2e364f71b9f82c56@1464 92e5ae4a-8afd-0310-8b33-eaebc6dd6768

jpweiss/tools,jpweiss/tools