html.parser.printer: reasonable tree-structured formatting with prettyprint-html
html.parser.printer: explaining comment
html.parser.printer: unit tests
html.parser.printer: remove printer symbol
html.parser.printer: fixed to use repeated write calls instead of surround
html.parser.printer: some fixes.

Fix html-text. (may not be perfect, but "works" now)
Don't decrement indentations if we didn't increment them.
sequences: don't allow negative repetitions.
html.parser.printer: prevent negative indentations.
sequences: add some tests for repetition.
FUEL: Improved font-locking. Colors for USING expressions, hexadecimal numbers and tuple slots.
html.parser.printer: fix tests, need to decrement before writing.
wrap.strings: empty strings should wrap as the indent.
FUEL: Improve font-locking of constructs that span multiple lines.
FUEL: One + less...
FUEL: Exterminating the evil tabs. Also highlight them so they get easier to kill.
ui.gadgets.worlds: remove fonts slot from docs.
FUEL: Error message is now shown if word can't be found.
FUEL: Put several more characters that can be used in word names in the symbols class
FUEL: Correct regexp to work with multiline USING:
FUEL: Make fuel-help (C-c C-d d) work for vocabularies too.