unicode: upgrade to Unicode 13.0.0

Fixes #40755 Change-Id: I14b3977317994095db8ae1bd873c174641209356 Reviewed-on: https://go-review.googlesource.com/c/go/+/248765 Run-TryBot: Marcel van Lohuizen <[email protected]> TryBot-Result: Gobot Gobot <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]>
cloudflare · Aug 20, 2020 · 8ec5a05 · 8ec5a05
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diff --git a/api/except.txt b/api/except.txt
@@ -456,3 +456,4 @@ pkg syscall (freebsd-arm-cgo), type Statfs_t struct, Mntonname [88]int8
 pkg text/scanner, const GoTokens = 1012
 pkg unicode, const Version = "10.0.0"
 pkg unicode, const Version = "11.0.0"
+pkg unicode, const Version = "12.0.0"
diff --git a/api/next.txt b/api/next.txt
@@ -0,0 +1,5 @@
+pkg unicode, const Version = "13.0.0"
+pkg unicode, var Chorasmian *RangeTable
+pkg unicode, var Dives_Akuru *RangeTable
+pkg unicode, var Khitan_Small_Script *RangeTable
+pkg unicode, var Yezidi *RangeTable
diff --git a/doc/go1.16.html b/doc/go1.16.html
@@ -90,6 +90,17 @@ <h2 id="library">Core library</h2>
  TODO
 </p>
 
+<h3 id="unicode"><a href="/pkg/unicode/">unicode</a></h3>
+
+<p><!-- CL 248765 -->
+ The <a href="/pkg/unicode/"><code>unicode</code></a> package and associated
+ support throughout the system has been upgraded from Unicode 12.0.0 to
+ <a href="https://www.unicode.org/versions/Unicode13.0.0/">Unicode 13.0.0</a>,
+ which adds 5,930 new characters, including four new scripts, and 55 new emoji.
+ Unicode 13.0.0 also designates plane 3 (U+30000-U+3FFFF) as the tertiary
+ ideographic plane.
+</p>
+
 <h3 id="minor_library_changes">Minor changes to the library</h3>
 
 <p>

diff --git a/src/strconv/isprint.go b/src/strconv/isprint.go