- Help dialog (?, F1, Datei > Hilfe): user topics, all shortcuts and the
formula functions with one search over everything. Topics and shortcuts
are plain data in data/help.ts; the function list comes from
codeReference.ts so new built-ins appear by themselves.
- While a formula is edited, the grid outlines each referenced cell/range
in the colour of its position in the text, and the outline can be
dragged to move or resize the reference, as in Excel. Point-mode picks
(click, drag, arrow keys) are outlined too, so keyboard picking is no
longer blind.
- Underline as a cell format, plus Mod+Shift+B/I/U toggles that switch on
unless every selected cell already has the format.
- A formula committed with open parentheses or an open text literal gets
the missing closers appended; anything that still doesn't parse is left
alone so the usual error shows instead of a guess.
- Cells and tables with a fill but no text colour get dark or light text
by WCAG contrast instead of the theme colour (no black on black).