13.4.3 Other Changes

• Compatibility issue: The two Latin 1 character codes 0x00AA (FEMININE ORDINAL INDICATOR) and 0x00BA (MASCULINE ORDINAL INDICATOR) are now classified as lower case letters by the Prolog parser. They used to be (incorrectly) classified as symbol chars. This may affect code that used any of these characters in unquoted atoms or functors.

  This change was made to align their classification with the Unicode standard.

• Quoted atoms and strings can now contain any character sequence from Unicode 5.0 when reading, with some restrictions; see Syntax of Tokens as Character Strings.
• Quoted atoms and strings are now by default written using a larger subset of Unicode than before. See the documentation for the Prolog flag quoted_charset (see Prolog Flags).
• Windows: All code is built with the security options /GS, /SAFESEH, /NXCOMPAT.
• Corrected the documentation for SP_put_list_n_codes().
• Now UTF-8 is used when communicating with the SICStus Prolog sub-process in versions of Emacs and XEmacs that supports it.