Document new syntax \uXXXX.

diff --git a/etc/NEWS b/etc/NEWS
index f29091f41b515b64279b98b7c6657a563ef127ba..af4256aeefbd5c2a1afb52b496feab47a9a45563 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -3896,6 +3896,13 @@ text properties.
 `assoc-ignore-representation', which are still available, but have
 been declared obsolete.
 
++++
+*** New syntax: \uXXXX and \UXXXXXXXX specify Unicode code points in hex.
+Use "\u0428" to specify a string consisting of CYRILLIC CAPITAL LETTER SHA,
+or "\U0001D6E2" to specify one consisting of MATHEMATICAL ITALIC CAPITAL
+ALPHA (the latter is greater than #xFFFF and thus needs the longer
+syntax).  Also available for characters.
+
 +++
 ** Displaying warnings to the user.