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Code Issues Releases Activity

Fix 'bidi-class' property of unassigned codepoints

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* admin/unidata/unidata-gen.el (unidata-file-alist): Update the
default values of 'bidi-class' according to the latest Unicode
Standard.

* admin/notes/unicode: Mention possible changes in
DerivedBidiClass.txt that need to be reflected in unidata-gen.el.

* lisp/international/characters.el (#xfb50, #xfdf0): Fix the
Arabic block characters.  (Bug#55256)
This commit is contained in:
Eli Zaretskii 2022-05-04 11:14:45 +03:00
parent d2913901dc
commit 8f17e4de2d
3 changed files with 17 additions and 4 deletions
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6
admin/notes/unicode
View File

@ -36,6 +36,12 @@ copyright.html in admin/unidata (some of them might need trailing
whitespace removed before they can be committed to the Emacs
repository).
Next, review the assignment of default values of the Bidi Class
property to blocks in the file extracted/DerivedBidiClass.txt from the
UCD (search for "unassigned" in that file). Any changes should be
reflected in the unidata-gen.el file, where it sets up the default
values around line 210.
Then Emacs should be rebuilt for them to take effect. Rebuilding
Emacs updates several derived files elsewhere in the Emacs source
tree, mainly in lisp/international/.

12
admin/unidata/unidata-gen.el
View File

@ -209,9 +209,15 @@ Property value is one of the following symbols:
;; The assignment of default values to blocks of code points
;; follows the file DerivedBidiClass.txt from the Unicode
;; Character Database (UCD).
(L (#x0600 #x06FF AL) (#xFB50 #xFDFF AL) (#xFE70 #xFEFF AL)
(#x0590 #x05FF R) (#x07C0 #x08FF R)
(#xFB1D #xFB4F R) (#x10800 #x10FFF R) (#x1E800 #x1EFFF R))
(L (#x0600 #x07BF AL) (#x0860 #x08FF AL) (#xFB50 #xFDCF AL)
(#xFDF0 #xFDFF AL) (#xFE70 #xFEFF AL) (#x10D00 #x10D3F AL)
(#x10F30 #x10F6F AL) (#x1EC70 #x1ECBF AL) (#x1ED00 #x1ED4F AL)
(#x1EE00 #x1EEFF AL)
(#x0590 #x05FF R) (#x07C0 #x085F R) (#xFB1D #xFB4F R)
(#x10800 #x10CFF R) (#x10D40 #x10F2F R) (#x10F70 #x10FFF R)
(#x1E800 #x1EC6F R) (#x1ECC0 #x1ECFF R) (#x1ED50 #x1EDFF R)
(#x1EF00 #x1EFFF R)
(#x20A0 #x20CF ET))
;; The order of elements must be in sync with bidi_type_t in
;; src/dispextern.h.
(L R EN AN BN B AL LRE LRO RLE RLO PDF LRI RLI FSI PDI

3
lisp/international/characters.el
View File

@ -303,7 +303,8 @@ with L, LRE, or LRO Unicode bidi character type.")
(setq charsets (cdr charsets))))
(modify-category-entry '(#x600 . #x6ff) ?b)
(modify-category-entry '(#x870 . #x8ff) ?b)
(modify-category-entry '(#xfb50 . #xfdff) ?b)
(modify-category-entry '(#xfb50 . #xfdc0) ?b)
(modify-category-entry '(#xfdf0 . #xfdff) ?b)
(modify-category-entry '(#xfe70 . #xfefe) ?b)
;; Cyrillic character set (ISO-8859-5)