urlize also on last-of-line urls + fix icon

wiki/plugins/links/mdx/urlize.py

@@ -52,7 +52,7 @@ URLIZE_RE = (
     r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|' # ...or ipv4
     r'\[?[A-F0-9]*:[A-F0-9:]+\]?)' # ...or ipv6
     r'(?::\d+)?' # optional port
-    r'(?:/[^\s\[\(\]\)]*\s+)?)'
+    r'(?:/[^\s\[\(\]\)]*(?:\s+|$))?)'
 )
 
 class UrlizePattern(markdown.inlinepatterns.Pattern):
@@ -78,7 +78,7 @@ class UrlizePattern(markdown.inlinepatterns.Pattern):
                 url = 'http://' + url
         
         icon = markdown.util.etree.Element("span")
-        icon.set('class', 'icon-link-external')
+        icon.set('class', 'icon-external-link')
         
         span_text = markdown.util.etree.Element("span")
         span_text.text = markdown.util.AtomicString(" " + text)