img: Add a margin around images displayed by this directive.

Particularly important for floating images, which could before be placed
uncomfortably close to text.

IkiWiki/Plugin/img.pm

@@ -156,6 +156,13 @@ sub preprocess (@) {
 		$imgurl="$config{url}/$imglink";
 	}
 
+	if (exists $params{class}) {
+		$params{class}.=" img";
+	}
+	else {
+		$params{class}="img";
+	}
+
 	my $attrs='';
 	foreach my $attr (qw{alt title class id hspace vspace}) {
 		if (exists $params{$attr}) {

debian/changelog

@@ -1,3 +1,9 @@
+ikiwiki (3.20100705) UNRELEASED; urgency=low
+
+  * img: Add a margin around images displayed by this directive.
+
+ -- Joey Hess <joeyh@debian.org>  Mon, 05 Jul 2010 13:59:42 -0400
+
 ikiwiki (3.20100704) unstable; urgency=low
 
   * Changes to avoid display of ugly google openids, by displaying

doc/style.css

@@ -91,6 +91,10 @@ nav {
 	text-align: center;
 }
 
+img.img {
+	margin: 0.5ex;
+}
+
 .align-left {
 	float:left;
 }