[TxMt] RDoc bug: Returning to a class doc from a method

[Fritz Anderson]

1. Type StringScanner into a Ruby file. The full documentation  
appears, with links to methods.

2. Click one of the method links. The documentation for the method  
appears, with a link at the top back to StringScanner.

3. Click the StringScanner link.

Expected: The same text and markup will appear it did in step 1.
Actual: The list of methods at the end of the page is truncated.

	-- F