Extract titles from gemtext and use them as GeminiItem.name if that's missing.

av98.py

@@ -699,6 +699,7 @@ you'll be able to transparently follow links to Gopherspace!""")
         """
         self.index = []
         preformatted = False
+        title = ""
 
         with open(self.active_raw_file, "r") as fp:
             body = fp.read()
@@ -732,6 +733,8 @@ you'll be able to transparently follow links to Gopherspace!""")
                 elif line.startswith("#"):
                     line = line[1:].lstrip("\t ")
                     fp.write("\x1b[1m\x1b[4m" + line + "\x1b[0m""\n")
+                    if not title:
+                        title = line
                 else:
                     fp.write(textwrap.fill(line, self.options["width"]) + "\n")
 
@@ -739,6 +742,12 @@ you'll be able to transparently follow links to Gopherspace!""")
         self.page_index = 0
         self.index_index = -1
 
+        # If the supplied GI didn't have a name (e.g. we arrived at it from a
+        # manually entered URL, not a link), use the title inferred from the
+        # first top level header
+        if not menu_gi.name:
+                menu_gi.name = title
+
     def _format_geminiitem(self, index, gi, url=False):
         """
         Render a link line.