Fixed a doc string display bug, and tweaked the API Documentation display to...

Fixed a doc string display bug, and tweaked the API Documentation display to look better with API docs that have lots of mostly empty classes.

lib/python/HelpSys/APIHelpTopic.py

@@ -329,6 +329,8 @@ def trim_doc_string(text):
     if len(lines) > 1:
         min_indent=None
         for line in lines[1:]:
+            if not line:
+                continue
             indent=len(line) - len(string.lstrip(line))
             if indent < min_indent or min_indent is None:
                 min_indent=indent   
@@ -337,4 +339,3 @@ def trim_doc_string(text):
     return string.join(nlines, '\n')
     
     
-    

lib/python/HelpSys/dtml/APIHelpView.dtml

@@ -3,6 +3,7 @@
 <h1>API Documentation</h1>
 
 <dtml-if "_.len(apis) > 1">
+<h3>Classes</h3>
 <dl><dd>
 <h2 class="api">
 <dtml-in apis>
@@ -25,4 +26,4 @@
   </dtml-unless>
 </dtml-in>
 
-<dtml-var standard_html_footer>
\ No newline at end of file
+<dtml-var standard_html_footer>

lib/python/HelpSys/dtml/APIView.dtml

 <a name="<dtml-var name>"></a>
-<h2 class="api">
-  <dtml-var name>
-  <dtml-if extends>
-    (
-    <dtml-in extends>
-      <a href="/Control_Panel/Products/<dtml-var sequence-item>"><dtml-var sequence-key></a>
-      <dtml-unless sequence-end>,</dtml-unless>
-    </dtml-in>
-    )
-  </dtml-if>
+<h2 class="api">class
+  <dtml-var name><dtml-if extends>
+(<dtml-in extends>
+<a href="/Control_Panel/Products/<dtml-var sequence-item>"><dtml-var
+sequence-key></a><dtml-unless sequence-end>, </dtml-unless>
+</dtml-in>)
+</dtml-if>
 </h2>
 
 <dl>
@@ -18,7 +15,7 @@
 </dl>
 
 <dtml-if constructor>
-<hr noshade>
+<hr>
 <h3>Product Constructor</h3>
   <dtml-with constructor>
     <dtml-var view>
@@ -26,7 +23,7 @@
 </dtml-if>
 
 <dtml-if "attributes or methods">
-<hr noshade>
+<hr>
 </dtml-if>
 
 <dtml-in attributes>
@@ -40,3 +37,4 @@
 </dtml-in>
 </dtml-if>
 
+