Document that encoding.pm isn't thread-safe, by Jerry D. Hedden

p4raw-id: //depot/perl@32146

diff --git a/ext/Encode/encoding.pm b/ext/Encode/encoding.pm
index 5b9bdf8c43a886aaffc308f4f3b6032dbf2f79d9..72a1c82fc9998adca233b9cb9a809322b10ee3a9 100644 (file)
--- a/ext/Encode/encoding.pm
+++ b/ext/Encode/encoding.pm
@@ -628,6 +628,11 @@ unicode characters since you have to consider such things as character
 width (i.e. double-width for ideographs) and directions (i.e. BIDI for
 Arabic and Hebrew).
 
+=item Thread safety
+
+C<use encoding ...> is not thread-safe (i.e., do not use in threaded
+applications).
+
 =back
 
 =head2 The Logic of :locale