suggest extensions for some of the inline formats too, since browsers

sometimes send them to external viewers and become confused if the
filename ends in '.php' (despite our correct content-type!)

caca-php/examples/www/export.php

@@ -149,7 +149,7 @@ $content_type_map = array(
 	'tga' => 'image/x-targa'
 	);
 
-$extension_map = array(
+$download_extension_map = array(
 	'ansi' => 'txt',
 	'utf8' => 'txt',
 	'utf8cr' => 'txt',
@@ -157,14 +157,22 @@ $extension_map = array(
 	'tga' => 'tga'
 	);
 
+$inline_extension_map = array(
+	'bbfr' => 'txt',
+	'ps' => 'ps',
+	'svg' => 'svg'
+	);
+
 if (! array_key_exists($format, $content_type_map))
 	$content_type = 'application/octet-stream';
 else
 	$content_type = $content_type_map[$format];
 
 header('Content-Type: ' . $content_type);
-if (array_key_exists($format, $extension_map))
-	header('Content-Disposition: attachment; filename=export.' . $extension_map[$format]);
+if (array_key_exists($format, $download_extension_map))
+	header('Content-Disposition: attachment; filename=export.' . $download_extension_map[$format]);
+else if (array_key_exists($format, $inline_extension_map))
+	header('Content-Disposition: inline; filename=export.' . $inline_extension_map[$format]);
 
 echo caca_export_string($cv, $format);