[basic.lookup] Clarify name lookup consistency

Author: jensmaurer

source/basic.tex

@@ -1183,8 +1183,8 @@
 such names in the context discussed by a particular rule. Name lookup
 associates the use of a name with a set of declarations\iref{basic.def} of
 that name.
-The declarations found by name lookup shall either all declare the same entity or
-shall all declare functions;
+The declarations found by name lookup shall either all denote the same entity or
+shall all denote functions or function templates;
 in the latter case,
 the declarations are said to form a set of overloaded
 functions\iref{over.load}. Overload resolution\iref{over.match}