jackfirth / resyntax / #424

94%

master: 94%

Pull #790

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Fix two error-reporting bugs in string replacements

The string-too-short error in string-replacement-render was reported
under the name string-apply-replacement, a copy-paste slip.

Additionally, a replacement's required length now accounts for its end
position, not just the positions its copied pieces refer to. Applying
a replacement to a string shorter than the replaced region previously
skipped the friendly error and failed inside make-string with a
confusing contract violation.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

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