charmbracelet / lipgloss / 21582146784

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github

fix: prevent infinite loop with zero-width whitespace chars (#108) (#604)

When using WithWhitespaceChars with characters that have zero display
width (like tabs), whitespace.render() would loop forever because the
width counter never incremented.

The fix ensures we always make progress by treating zero-width
characters as having a minimum width of 1 for iteration purposes.

Added tests to verify the fix and prevent regression.

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