C.5.5 csString::Upcase() and Downcase() Behaviour Change

csString::Upcase() and Downcase() used to utilize the C runtime casing functions (toupper(), tolower()) to perform the casing. This has been changed to use Crystal Space's own casing functions (csUnicodeTransform::MapToLower(), MapToUpper()). This has two effects:

• The data is expected to be encoded in UTF-8 and not a character set depending on the C runtime's current locale. This is more in line with other csString functions and consistent across systems.
• The C runtime's current locale is not taken into consideration when doing the casing. This was desired as the casing methods are used in a number of scenarios that really required locale neutrality; however, if proper locale support is required, some other casing functions have to be used.

This document was generated using texi2html 1.76.