Fix bug #12138 with indexing "closures".

 doc/lispref/functions.texi (Closures): Put the main index entry for
 "closures" here.
 doc/lispref/variables.texi (Lexical Binding): Disambiguate the index entry
 for "closures".

1 files changed, 2 insertions, 2 deletions

diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi
index 93fb4d5f873..5745b487942 100644
--- a/doc/lispref/variables.texi
+++ b/doc/lispref/variables.texi
@@ -968,11 +968,11 @@ wants the current value of a variable, it looks first in the lexical
 environment; if the variable is not specified in there, it looks in
 the symbol's value cell, where the dynamic value is stored.
 
-@cindex closures
+@cindex closures, example of using
   Lexical bindings have indefinite extent.  Even after a binding
 construct has finished executing, its lexical environment can be
 ``kept around'' in Lisp objects called @dfn{closures}.  A closure is
-created when you create a named or anonymous function with lexical
+created when you define a named or anonymous function with lexical
 binding enabled.  @xref{Closures}, for details.
 
   When a closure is called as a function, any lexical variable