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\u and \l only affect one character.
\U and \L keep changing the case of characters until \E is encountered.
@Tex2002ans:
The \b word boundary is handy, but it can also result in some confusing behavior if you run into any typographic quotes, apostrophes, or other unicode characters contained in the text. In ebooks, I always try to use the unicode switch to force \b to accommodate such things.
Last edited by DiapDealer; 02-05-2014 at 09:11 AM.
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