SimpleChatTC:XmlFiltered: Avoid showing skipped tags as no content

Dont even insert skipped tags as tag blocks with empty content.

This should make the resultant xml cleaner and make it use less
space.

tools/server/public_simplechat/local.tools/webmagic.py

@@ -259,19 +259,22 @@ class XMLFilterParser(html.parser.HTMLParser):
         return True
 
     def handle_starttag(self, tag: str, attrs: list[tuple[str, str | None]]):
-        self.lastTrackedCB = "starttag"
         self.prefixTags.append(tag)
+        if not self.do_capture():
+            return
+        self.lastTrackedCB = "starttag"
         self.prefix += "\t"
         self.text += f"\n{self.prefix}<{tag}>"
 
     def handle_endtag(self, tag: str):
+        if self.do_capture():
             if (self.lastTrackedCB == "endtag"):
                 self.text += f"\n{self.prefix}</{tag}>"
             else:
                 self.text += f"</{tag}>"
             self.lastTrackedCB = "endtag"
-        self.prefixTags.pop()
             self.prefix = self.prefix[:-1]
+        self.prefixTags.pop()
 
     def handle_data(self, data: str):
         if self.do_capture():

tools/server/public_simplechat/readme.md

@@ -664,6 +664,7 @@ sliding window based drop off or even before they kick in, this can help in many
 
 * renamed and updated logic wrt xml fetching to be fetch_xml_filtered. allow one to use re to identify
   the tags to be filtered in a fine grained manner including filtering based on tag heirarchy
+  * avoid showing empty skipped tag blocks
 
 * logic which shows the generated tool call has been updated to trap errors when parsing the function call
   arguments generated by the ai. This ensures that the chat ui itself doesnt get stuck in it. Instead now
@@ -683,6 +684,12 @@ Handle multimodal handshaking with ai models.
 Add fetch_rss and may be different document formats processing related tool calling, in turn through
 the simpleproxy.py if and where needed.
 
+* Using xmlfiltered and tagDropREs of
+  * ["^rss:channel:item:(?!title).+$"] one can fetch and extract out all the titles.
+  * ["^rss:channel:item:(?!title|link|description).+$"] one can fetch and extract out all the
+    titles along with corresponding links and descriptions
+  * rather with some minimal proding and guidance gpt-oss generated this to use xmlfiltered to read rss
+
 Save used config entries along with the auto saved chat sessions and inturn give option to reload the
 same when saved chat is loaded.