LPEX editor questions

I am beginning to use WDSc and the LPEX editor, but I have a few very basic 
questions.

1. How can I search the source I am editing/browsing for a 'source changed' 
date?  (Something like F14 in PDM)

2.  Can you edit source and bring up another source member and view them both 
in a split screen?  (Like F15 in PDM)

3.  What is the easiest way to compare 2 source members for changes?  I have 
done this, but it seems to cumbersome.  I find opt. 54 in PDM much easier.

I am trying to use WDSc almost exclusively, but these are some issues I find 
myself going back to PDM for.

Thanks
Bryan


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