chickadee » srfi-135 » textual-upcase

textual-upcase textualprocedure
textual-downcase textualprocedure
textual-foldcase textualprocedure
textual-titlecase textualprocedure

These procedures return the text obtained by applying Unicode's full uppercasing, lowercasing, case-folding, or title-casing algorithms to their argument. In some cases, the length of the result may be different from the length of the argument. Note that language-sensitive mappings and foldings are not used.