CSS Priorities for the Digital Publishing Community

Pagination

1. overflow spec: CSS Overflow Module
2. fragmentation: CSS Fragmentation Module
3. page floats: CSS Page Floats
4. generated content: CSS Generated Content
5. GCPM: CSS Generated Content for Paged Media
6. Multicol: CSS Multi-Column Layout Module

Typography

1. initial letters and drop caps: CSS Inline Layout Module
2. better control over first baselines
3. baseline grid: CSS Line Grid Module
   1. second section has long way to go...
4. better control over justification and hyphenation
   1. user-created hyphenation exception dictionaries
   2. control of justification parameters—minimum/optimum/maximum word- and letter-spacing
   3. how many letters before/after hyphen?
   4. how many consecutive hyphens allowed?
   5. can the last word of a paragraph, column, page, or spread be hyphenated?
5. hanging punctuation

Fonts

1. access alternate glyphs (opentype features + prince-glyph-index)
2. font categorization - optical weights

Content

1. Placeholder to put in information about a11y, and browser bugs around implementation of generated content

Cross-References

1. Be able to generate figure numbers, etc. and refer/link to generate figure numbers

Images

1. keeping image and caption together
2. images extending to edge of viewport or beyond (bleeds)

Tables

1. align on character for tables: CSS Text, unfortunately this was removed from CSS Text years ago

Mathematics

1. support for MathML
2. alignment between equations
3. breaking equations
4. numbering equations

CJK

1. vertical text: CSS Writing Modes
2. ruby layout: CSS Ruby Layout Module
3. emphasis marks CSS Text Decoration Module
4. line breaking, justification, hanging-punctuation: CSS Text Module
5. character class spacing: CSS Text Module Level 4
6. vertical centering (block centering in a page): csswg wiki Vertical Centering or use CSS Flexible Box Layout?
7. Bopomofo support (see here; this may be solved outside of CSS)

Foundations

1. Shapes: CSS Shapes Module
2. Exclusions: CSS Exclusions Module
3. Regions : CSS Regions Module
4. Houdini
   1. Custom Properties and Values
   2. Font Metrics
   3. Box Tree API (note dead link right now)

Resources

• Requirements for Latin Text Layout and Pagination aka “LatinReq”
• List of CSS features required for paged media by Bert Bos