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diff --git a/doc/haunt.texi b/doc/haunt.texi
index 23f45d8..3deba4c 100644
--- a/doc/haunt.texi
+++ b/doc/haunt.texi
@@ -530,6 +530,21 @@ specified.
Sort @var{posts}, a list of posts, in reverse chronological order.
@end deffn
+@deffn {Scheme Procedure} post-author @var{post}
+Return the author of @var{post}, or @code{#f} if no author is
+specified.
+@end deffn
+
+@deffn {Scheme Procedure} post-tags @var{post}
+Return list of tags for @var{post}, or the empty list if no tags are
+specified.
+@end deffn
+
+@deffn {Scheme Procedure} post-title @var{post}
+Return the title of @var{post}, or @code{#f} if no title is
+specified.
+@end deffn
+
@deffn {Scheme Procedure} posts/group-by-tag @var{posts}
Create an association list of tags mapped to the posts in the list
@var{posts} that used them.