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Document the new "mirroring" Unicode character property.

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src/nonascii.texi (Character Properties): Document the `mirroring'
 property.  Add index entries.
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Eli Zaretskii 2011-08-16 11:26:46 +03:00
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doc/lispref/ChangeLog
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@ -1,5 +1,8 @@
2011-08-16 Eli Zaretskii <eliz@gnu.org>
* nonascii.texi (Character Properties): Document the `mirroring'
property. Add index entries.
* syntax.texi (Categories): Add an example of defining a new
category and category table.

12
doc/lispref/nonascii.texi
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@ -388,6 +388,7 @@ character's classification.
Corresponds to the @code{Canonical_Combining_Class} Unicode property.
The value is an integer number.
@cindex bidirectional class of characters
@item bidi-class
Corresponds to the Unicode @code{Bidi_Class} property. The value is a
symbol whose name is the Unicode @dfn{directional type} of the
@ -426,10 +427,21 @@ superscripts, Roman numerals, currency numerators, and encircled
numbers. For example, the value of this property for the character
@code{U+2155} (@sc{vulgar fraction one fifth}) is @code{0.2}.
@cindex mirroring of characters
@item mirrored
Corresponds to the Unicode @code{Bidi_Mirrored} property. The value
of this property is a symbol, either @code{Y} or @code{N}.
@item mirroring
Corresponds to the Unicode @code{Bidi_Mirroring_Glyph} property. The
value of this property is a character whose glyph represents the
mirror image of the character's glyph, or @code{nil} if there's no
defined mirroring glyph. All the characters whose @code{mirrored}
property is @code{N} have @code{nil} as their @code{mirroring}
property; however, some characters whose @code{mirrored} property is
@code{Y} also have @code{nil} for @code{mirroring}, because no
appropriate characters exist with mirrored glyphs.
@item old-name
Corresponds to the Unicode @code{Unicode_1_Name} property. The value
is a string.