diff --git a/IkiWiki/Plugin/color.pm b/IkiWiki/Plugin/color.pm
index d550dd9f4..9bb2359ce 100644
--- a/IkiWiki/Plugin/color.pm
+++ b/IkiWiki/Plugin/color.pm
@@ -61,12 +61,11 @@ sub replace_preserved_style ($) {
 sub preprocess (@) {
 	my %params = @_;
 
-	# Preprocess the text to expand any preprocessor directives
-	# embedded inside it.
-	$params{text} = IkiWiki::preprocess($params{page}, $params{destpage},
-				IkiWiki::filter($params{page}, $params{destpage}, $params{text}));
-
-	return preserve_style($params{foreground}, $params{background}, $params{text});
+	return preserve_style($params{foreground}, $params{background},
+		# Preprocess the text to expand any preprocessor directives
+		# embedded inside it.
+		IkiWiki::preprocess($params{page}, $params{destpage},
+			$params{text}));
 }
 
 sub format (@) {
diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index d34951570..64eb7fb09 100644
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -142,8 +142,6 @@ sub preprocess {
 	}
 	$content =~ s/\\"/"/g;
 
-	$content = IkiWiki::filter($page, $params{destpage}, $content);
-
 	if ($config{comments_allowdirectives}) {
 		$content = IkiWiki::preprocess($page, $params{destpage},
 			$content);
diff --git a/IkiWiki/Plugin/conditional.pm b/IkiWiki/Plugin/conditional.pm
index 8a5796149..026078b3c 100644
--- a/IkiWiki/Plugin/conditional.pm
+++ b/IkiWiki/Plugin/conditional.pm
@@ -59,8 +59,7 @@ sub preprocess_if (@) {
 	else {
 		$ret="";
 	}
-	return IkiWiki::preprocess($params{page}, $params{destpage}, 
-		IkiWiki::filter($params{page}, $params{destpage}, $ret));
+	return IkiWiki::preprocess($params{page}, $params{destpage}, $ret);
 }
 
 package IkiWiki::PageSpec;
diff --git a/IkiWiki/Plugin/cutpaste.pm b/IkiWiki/Plugin/cutpaste.pm
index 01e9ce043..4a8817168 100644
--- a/IkiWiki/Plugin/cutpaste.pm
+++ b/IkiWiki/Plugin/cutpaste.pm
@@ -50,8 +50,8 @@ sub preprocess_copy (@) {
 	$savedtext{$params{page}} = {} if not exists $savedtext{$params{"page"}};
 	$savedtext{$params{page}}->{$params{id}} = $params{text};
 
-	return IkiWiki::preprocess($params{page}, $params{destpage}, 
-		IkiWiki::filter($params{page}, $params{destpage}, $params{text})) if defined wantarray;
+	return IkiWiki::preprocess($params{page}, $params{destpage}, $params{text})
+		if defined wantarray;
 }
 
 sub preprocess_paste (@) {
@@ -70,8 +70,8 @@ sub preprocess_paste (@) {
 		error sprintf(gettext('no text was copied in this page with id %s'), $params{id});
 	}
 
-	return IkiWiki::preprocess($params{page}, $params{destpage}, 
-		IkiWiki::filter($params{page}, $params{destpage}, $savedtext{$params{page}}->{$params{id}}));
+	return IkiWiki::preprocess($params{page}, $params{destpage},
+		$savedtext{$params{page}}->{$params{id}});
 }
 
 1;
diff --git a/IkiWiki/Plugin/more.pm b/IkiWiki/Plugin/more.pm
index 266c8e1d0..80e339a1b 100644
--- a/IkiWiki/Plugin/more.pm
+++ b/IkiWiki/Plugin/more.pm
@@ -33,9 +33,9 @@ sub preprocess (@) {
 				anchor => "more");
 	}
 	else {
-		$params{text}=IkiWiki::preprocess($params{page}, $params{destpage},
-			IkiWiki::filter($params{page}, $params{destpage}, $params{text}));
-		return "<a name=\"more\"></a>\n\n".$params{text};
+		return "<a name=\"more\"></a>\n\n".
+			IkiWiki::preprocess($params{page}, $params{destpage},
+				$params{text});
 	}
 }
 
diff --git a/IkiWiki/Plugin/sidebar.pm b/IkiWiki/Plugin/sidebar.pm
index 2d495db2c..c1146b7b4 100644
--- a/IkiWiki/Plugin/sidebar.pm
+++ b/IkiWiki/Plugin/sidebar.pm
@@ -47,8 +47,7 @@ sub preprocess (@) {
 		$pagesidebar{$page}=
 			IkiWiki::htmlize($page, $page, $type,
 			IkiWiki::linkify($page, $page,
-			IkiWiki::preprocess($page, $page,
-			IkiWiki::filter($page, $page, $params{content}))));
+			IkiWiki::preprocess($page, $page, $params{content})));
 	}
 
 	return "";
diff --git a/IkiWiki/Plugin/template.pm b/IkiWiki/Plugin/template.pm
index b8c2f05b2..db26bfe31 100644
--- a/IkiWiki/Plugin/template.pm
+++ b/IkiWiki/Plugin/template.pm
@@ -53,8 +53,7 @@ sub preprocess (@) {
 
 	foreach my $param (keys %params) {
 		my $value=IkiWiki::preprocess($params{page}, $params{destpage},
-		          IkiWiki::filter($params{page}, $params{destpage},
-		          $params{$param}), $scan);
+		          $params{$param}, $scan);
 		if ($template->query(name => $param)) {
 			my $htmlvalue=IkiWiki::htmlize($params{page}, $params{destpage},
 					pagetype($pagesources{$params{page}}),
@@ -69,8 +68,7 @@ sub preprocess (@) {
 	}
 
 	return IkiWiki::preprocess($params{page}, $params{destpage},
-	       IkiWiki::filter($params{page}, $params{destpage},
-	       $template->output), $scan);
+	       $template->output, $scan);
 }
 
 1
diff --git a/IkiWiki/Plugin/toggle.pm b/IkiWiki/Plugin/toggle.pm
index 3319421d9..20967d3fd 100644
--- a/IkiWiki/Plugin/toggle.pm
+++ b/IkiWiki/Plugin/toggle.pm
@@ -50,8 +50,7 @@ sub preprocess_toggleable (@) {
 
 	# Preprocess the text to expand any preprocessor directives
 	# embedded inside it.
-	$params{text}=IkiWiki::preprocess($params{page}, $params{destpage}, 
-		IkiWiki::filter($params{page}, $params{destpage}, $params{text}));
+	$params{text}=IkiWiki::preprocess($params{page}, $params{destpage}, $params{text});
 	
 	my $id=genid($params{page}, $params{id});
 	my $class=(lc($params{open}) ne "yes") ? "toggleable" : "toggleable-open";
diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index bb8012342..2e3902388 100644
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -198,8 +198,8 @@ value is ignored.
 
 	hook(type => "filter", id => "foo", call => \&filter);
 
-Runs on the raw source of a page, before anything else touches it, and can
-make arbitrary changes. The function is passed named parameters "page",
+Runs on the full raw source of a page, before anything else touches it, and
+can make arbitrary changes. The function is passed named parameters "page",
 "destpage", and "content". It should return the filtered content.
 
 ### preprocess