(Character Type): Document that Emacs signals an error for unsupported Unicode

characters specified as \uNNNN.

diff --git a/lispref/objects.texi b/lispref/objects.texi
index b721809d18b75143be08e526ec90654cee929c59..ec4f30076c4a4796d72a9ca2687021971b7d38e2 100644 (file)
--- a/lispref/objects.texi
+++ b/lispref/objects.texi
@@ -438,7 +438,8 @@ the Unicode code point @samp{U+@var{nnnn}}.  There is a slightly
 different syntax for specifying characters with code points above
 @code{#xFFFF}; @code{\U00@var{nnnnnn}} represents the character whose
 Unicode code point is @samp{U+@var{nnnnnn}}, if such a character
-is supported by Emacs.
+is supported by Emacs.  If the corresponding character is not
+supported, Emacs signals an error.
 
   This peculiar and inconvenient syntax was adopted for compatibility
 with other programming languages.  Unlike some other languages, Emacs