Android 5.0 Map is not defined

This would be a nice little feature to have, Excel users are using this a lot.

Is your feature request related to a problem? Please describe.
I tried to set a dark color and decrease symbol size for BarCanvas legends but changing the configuration didn't affect the chart. I found the cause in the repository, the symbol size and the color are hardcoded in the source code of BarCanvas:
![Képernyőkép erről: 2020-04-24 11-22-18](https://user-images.githubusercontent.com/32

Add a terminal UI for Luckysheet, probably using blessed library: https://github.com/chjj/blessed (if your API is in nodeJS; works, but frozen), or https://github.com/jquast/blessed (if your API can be bound to Python; works, and is actively maintained), or use mighty old ncurses (in C; for the bold...). This would of course use the existing Lu

Where is the list of abbreviations used in the standard? The term "UA" is used extensively throughout the text but not explained anywhere...

https://html.spec.whatwg.org/commit-snapshots/009a7316ad7f1b69de978101b043b9b29878d975/#table-of-contents