Noncharacters should be allowed
Nobody has claimed this yet.
- Dominant language
- Perl
- Stars
- 37
- Forks
- 54
- PR merge metrics
- No merged PRs in 30d
Description
According to Corrigendum #9, noncharacters (the values U+nFFFE and U+nFFFF (where n is from 0 to 10^16) and the values U+FDD0..U+FDEF) are permanently reserved but should be allowed in interchange.
These codepoints currently are not successfully encoded or decoded - by default, they are replaced by replacement characters (at least for UTF-8).
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No repository files or tests are named in the issue. Start by reproducing UTF-8 encoding and decoding for the listed noncharacters, then compare the behavior with Unicode Corrigendum #9; done means those codepoints are preserved during interchange instead of being replaced.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- perl
- Domain
- internationalization
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100