TOC: Skip markdown image links like 

Author: tjgrathwell

lib/contents.rb

@@ -41,10 +41,10 @@ def subpages_for filename
     content = content_for(filename)
 
     # (markdown) links of the form: [link text](link_page)
-    content.scan /\[.*?\]\((.*?)\)/ do |link, _|
+    # but NOT images of the form ![alt text](image_link.jpg)
+    content.scan /[^!]\[.*?\]\((.*?)\)/ do |link, _|
       next if (link =~ /^http/)
       next if (link =~ %r(^//)) # protocol-less absolute links e.g. //google.com
-      next if (link =~ /\.\w{3}$/) # jpg/gif/svg/etc
       links.push(link) if !links.include? link
     end
 

spec/sites/meals/clean_up.md

@@ -0,0 +1,5 @@
+Throw all your things away! ![garbage](garbage.jpg)
+
+YOU'RE DONE!!
+
+![successful person](success.jpg)