Commit 20bfe387 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

Add `booleanp'.

parent 7817e3d3
...@@ -3645,9 +3645,10 @@ This is useful in packages that can be preloaded. ...@@ -3645,9 +3645,10 @@ This is useful in packages that can be preloaded.
If it is non-nil, the function lists only faces matching this regexp. If it is non-nil, the function lists only faces matching this regexp.
   
+++ +++
*** New function `string-or-null-p'. *** New functions `string-or-null-p' and `booleanp'.
   
Return t if OBJECT is a string or nil. Otherwise, return nil. `string-or-null-p' returns non-nil iff OBJECT is a string or nil.
`booleanp' returns non-nil iff OBJECT is a t or nil.
   
** Lisp code indentation features: ** Lisp code indentation features:
   
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