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Better handling of tildes in UsfmParser

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
68/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
csharp
Domain
backend

Research direction

Find the UsfmParser code that replaces ~ with a nonbreaking space, then compare its handling with ParatextData's CharacterCategorizer.IsWordFormingCharacter check. Update the replacement behavior to account for word-forming tildes and verify that ordinary tildes still become nonbreaking spaces.

Written by the indexing model from the issue text.

Description

A tilde (~) can be a word forming character. Currently these are just converted to NBSP, but the UsfmParser should perform a check similar to ParatextData's if (!CharacterCategorizer.IsWordFormingCharacter('~')) before performing the string replacement:

// Replace ~ with nbsp
text = text.Replace('~', '\u00A0');
Dominant language
C#
Stars
29
Forks
16
Avg merge
10d 4h
Merged PRs (30d)
13

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