linebender / linebender/parley

Support `::first-letter` and `::first-line` pseudo styles

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#809 1 comment 0 reactions 0 assignees View on GitHub

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enhancement
Dominant language
Rust
Stars
736
Forks
120
Avg merge
1d 3h
Merged PRs (30d)
53

Description

These pseudo-elements allow different styles to be applied to the first letter or first line of a layout.

  • The first letter is the first grapheme along with surrounding punctutation.
  • The first line is the first line according to line-breaking

See: https://drafts.csswg.org/css-pseudo/#typographic-pseudos

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked CSS Pseudo-Elements specification, focusing on the typographic pseudo-elements and their definitions of the first grapheme, surrounding punctuation, and line-breaking. Then inspect Parley’s existing style and layout handling; done means supporting distinct first-letter and first-line styles according to those rules.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
frontend
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
45/100

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