I've produced a patch that enables a `numbers` option to the [alphabet] shortcode which defaults to 'true', but when set to false, makes the shortcode result in displaying only letters, not numbers, i.e. ABCDEFGHIJKLMNOPQRSTUVWXYZ instead of 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ I've also simplified generation of numbers and letters by usage of r…

numbers.patch

Gemeinsame Unterverzeichnisse: my-content-management/images und my-content-management-nums/images.
Gemeinsame Unterverzeichnisse: my-content-management/lang und my-content-management-nums/lang.
diff -u my-content-management/my-content-management.php my-content-management-nums/my-content-management.php
--- my-content-management/my-content-management.php	2012-10-27 20:27:18.000000000 +0200
+++ my-content-management-nums/my-content-management.php	2012-12-29 21:27:34.000000000 +0100
@@ -700,7 +700,7 @@
 				if ( $value == 'mcm_glossary' && function_exists('mcm_set_glossary') ) { $extension = "<h4>Glossary Extension</h4>
 				<p>".__('The glossary extension to My Content Management is enabled.','my-content-management')."</p>
 				<ul>
-				<li><code>[alphabet]</code>: ".__('displays list of linked first characters represented in your Glossary. (Roman alphabet only.)','my-content-management')."</li>
+				<li><code>[alphabet numbers='true']</code>: ".__('displays list of linked first characters represented in your Glossary. (Roman alphabet only, including numbers 0-9 by default.)','my-content-management')."</li>
 				<li><code>[term id='' term='']</code>: ".__('displays value of term attribute linked to glossary term with ID attribute.','my-content-management')."</li>
 				<li><strong>".__('Feature','my-content-management').":</strong> ".__('Adds links throughout content for each term in your glossary.','my-content-management')."</li>
 				<li><strong>".__('Feature','my-content-management').":</strong> ".__('Adds character headings to each section of your glossary list.','my-content-management')."</li>
diff -u my-content-management/my-glossary-filter.php my-content-management-nums/my-glossary-filter.php
--- my-content-management/my-glossary-filter.php	2012-10-27 20:27:18.000000000 +0200
+++ my-content-management-nums/my-glossary-filter.php	2012-12-29 21:25:28.000000000 +0100
@@ -28,24 +28,32 @@
 	add_action('admin_notices', create_function( '', "echo \"<div class='error'><p>My Content Management must be activated to use MCM Glossary Filter. <a href='$activate'>Visit your plugins page to activate</a>.</p></div>\";" ) );
 }
 
-function mcm_glossary_alphabet() {
+function mcm_glossary_alphabet($atts) {
+     extract(shortcode_atts(array(
+	      'numbers' => 'true',
+     ), $atts));
+
 	$return = '';
-	$letters = explode( ',','0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z' );
-		$words = get_option( 'mcm_glossary' );
-		if ( !is_array( $words ) ) {
-			$words = mcm_set_glossary();
-		}
-		foreach ( $words as $key=>$value ) {
-			$this_letter = strtolower( substr( $key, 0, 1 ) );
-			$live[]=$this_letter;
-		}
-		foreach ( $letters as $letter ) {
-			if ( in_array( $letter, $live ) ) {
-				$return .= "<li><a href='#glossary$letter'>$letter</a></li>";
-			} else {
-				$return .= "<li class='inactive'>$letter</li>";
-			}
+	$nums = range('0','9');
+	$letters = range('a','z');
+	if ($numbers != 'false')
+		$letters = array_merge($nums, $letters);
+
+	$words = get_option( 'mcm_glossary' );
+	if ( !is_array( $words ) ) {
+		$words = mcm_set_glossary();
+	}
+	foreach ( $words as $key=>$value ) {
+		$this_letter = strtolower( substr( $key, 0, 1 ) );
+		$live[]=$this_letter;
+	}
+	foreach ( $letters as $letter ) {
+		if ( in_array( $letter, $live ) ) {
+			$return .= "<li><a href='#glossary$letter'>$letter</a></li>";
+		} else {
+			$return .= "<li class='inactive'>$letter</li>";
 		}
+	}
 	return "<ul class='glossary-alphabet' id='alpha'>".$return."</ul>";
 }
 add_shortcode('alphabet','mcm_glossary_alphabet');