- fix bogus test for . and .. in find_file_next()
- use strequal() instead of !strcmp()
- add some emacs-lisp defined symbols
- fixed awk mode for `#` comments
- move language syntax handling to `lang` directory
- move other modes to `modes` directory
- move tools to `tools` directory
- compile tools to `bin` directory
- bump version to 5.3alpha
- remove duplicate node names in qe-doc
- update Makefiles