Update Unicode data files to version 11.0.0 of Unicode

* admin/unidata/UnicodeData.txt:
* admin/unidata/SpecialCasing.txt:
* admin/unidata/NormalizationTest.txt:
* admin/unidata/copyright.html:
* admin/unidata/BidiMirroring.txt:
* admin/unidata/BidiBrackets.txt: Import from Unicode 11.0.
* admin/notes/unicode: Update the URL for OTF script tags.

* lisp/international/mule-cmds.el (ucs-names): Update unused ranges.
* lisp/international/fontset.el (script-representative-chars): Add
hanifi-rohingya, old-sogdian, sogdian, dogra, gunjala-gondi,
makasar, and medefaidrin.
(otf-script-alist): Add old-hungarian.
* lisp/international/characters.el (tbl): Add syntax entries for
Supplemental Mathematical Operators, Miscellaneous Symbols and
Arrows, and Supplemental Punctuation.
Update the list of wide characters.

* test/lisp/international/ucs-normalize-tests.el
(ucs-normalize-tests--failing-lines-part2): Update to match
admin/unidata/NormalizationTest.txt.

* doc/lispref/nonascii.texi (Character Properties): Update the
reference to the Unicode Standard.
* doc/misc/efaq.texi (New in Emacs 26):
* etc/NEWS: Mention compatibility with Unicode 11.0.

2 files changed, 6 insertions, 1 deletions

diff --git a/doc/lispref/nonascii.texi b/doc/lispref/nonascii.texi
index 70df555d877..4d75d6a1f14 100644
--- a/doc/lispref/nonascii.texi
+++ b/doc/lispref/nonascii.texi
@@ -460,7 +460,7 @@ of character properties.  In particular, Emacs supports the
 @uref{http://www.unicode.org/reports/tr23/, Unicode Character Property
 Model}, and the Emacs character property database is derived from the
 Unicode Character Database (@acronym{UCD}).  See the
-@uref{http://www.unicode.org/versions/Unicode6.2.0/ch04.pdf, Character
+@uref{http://www.unicode.org/versions/latest/ch04.pdf, Character
 Properties chapter of the Unicode Standard}, for a detailed
 description of Unicode character properties and their meaning.  This
 section assumes you are already familiar with that chapter of the
diff --git a/doc/misc/efaq.texi b/doc/misc/efaq.texi
index 05da424b5dc..69a1a6d4652 100644
--- a/doc/misc/efaq.texi
+++ b/doc/misc/efaq.texi
@@ -1068,6 +1068,11 @@ which opens a vulnerability for Emacs users receiving Enriched Text
 from external sources.  Execution of arbitrary Lisp forms in
 @code{display} properties decoded by Enriched Text mode is now
 disabled by default.
+
+@cindex Unicode 11.0.0
+@item
+Emacs 26.2 comes with data files imported from the latest Unicode
+Standard version 11.0.0.
 @end itemize
 
 Consult the Emacs @file{NEWS} file (@kbd{C-h n}) for the full list of