Why uppercase can change text length
Unicode case mappings can expand one code point into several; count source and result separately.
ReadCase rules explained
Understand mechanical text casing
Short guides document exactly what changes, what stays, and what still needs human review.
What sentence case can and cannot detect
CaseShift uses visible punctuation boundaries rather than pretending to parse grammar.
ReadTitle Case is not a style guide
A universal publisher title case does not exist. CaseShift names its simpler token rule instead of claiming AP, APA, Chicago or MLA compliance.
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