Adding link On Friday, April 8, 2016 at 11:48:07 PM UTC+5:30, Rustom Mody wrote: <Quote> > 5.12 Deprecation > > In the Unicode Standard, the term deprecation is used somewhat differently > than it is in some other standards. Deprecation is used to mean that a > character or other feature is strongly discouraged from use. This should not, > however, be taken as indicating that anything has been removed from the > standard, nor that anything is planned for removal from the standard. Any > such change is constrained by the Unicode Consortium Stability Policies > [Stability]. > > For the Unicode Character Database, there are two important types of > deprecation to be noted. First, an encoded character may be deprecated. > Second, a character property may be deprecated. > > When an encoded character is strongly discouraged from use, it is given the > property value Deprecated=True. The Deprecated property is a binary property > defined specifically to carry this information about Unicode characters. Very > few characters are ever formally deprecated this way; it is not enough that a > character be uncommon, obsolete, disliked, or not preferred. Only those few > characters which have been determined by the UTC to have serious > architectural defects or which have been determined to cause significant > implementation problems are ever deprecated. Even in the most severe cases, > such as the deprecated format control characters (U+206A..U+206F), an encoded > character is never removed from the standard. Furthermore, although > deprecated characters are strongly discouraged from use, and should be > avoided in favor of other, more appropriate mechanisms, they may occur in > data. Conformant implementations of Unicode processes such a Unicode > normalization must handle even deprec ated characters correctly.
</Quote> Link: http://unicode.org/reports/tr44/#Deprecation -- https://mail.python.org/mailman/listinfo/python-list
