4 Commits

Author SHA1 Message Date
Laurenz
8d1ce390e2 Rework strong and emph
- Star and underscore not parsed as strong/emph inside of words
- Stars/underscores must be balanced and they cannot go over paragraph break
- New `strong` and `emph` classes
2022-01-30 22:46:59 +01:00
Laurenz
1ee1d078e2 Fatal errors
- Makes errors fatal, so that a phase is only reached when all previous phases were error-free
- Parsing still recovers and can produce multiple errors
- Evaluation fails fast and can thus produce only a single error (except for parse errors due to an import)
- The single error that could occur during execution is removed for now
- Removes Value::Error variant
2021-07-30 18:49:19 +02:00
Laurenz
54a9ccb1a5 Configurable font edges ⚙
Adds top-edge and bottom-edge parameters to the font function. These define how
the box around a word is computed. The possible values are:
- ascender
- cap-height (default top edge)
- x-height
- baseline (default bottom edge)
- descender

The defaults are chosen so that it's easy to create good-looking designs with
vertical alignment. Since they are much tighter than what most other software
uses by default, the default leading had to be increased to 50% of the font size
and paragraph spacing to 100% of the font size.

The values cap-height and x-height fall back to ascender in case they are zero
because this value may occur in fonts that don't have glyphs with cap- or
x-height (like Twitter Color Emoji). Since cap-height is the default top edge,
doing no fallback would break things badly.

Removes softness in favor of a simple boolean for pages and a more finegread u8
for spacing. This is needed to make paragraph spacing consume line spacing
created by hard line breaks.
2021-03-19 13:20:58 +01:00
Laurenz
05727bfc3a Reorganize tests 🔀 2021-02-20 23:34:33 +01:00