Patch #744238: Explain that different string types also may compare equal.
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index f531409..38440fe 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -144,7 +144,7 @@
\end{description}
-Objects of different types, except different numeric types, never
+Objects of different types, except different numeric types and different string types, never
compare equal; such objects are ordered consistently but arbitrarily
(so that sorting a heterogeneous array yields a consistent result).
Furthermore, some types (for example, file objects) support only a