Add
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Filter Doom so dragging DEH patches to it load and patch live
Clipboard
sound menu in alphabetical order, tick current one
save code pointers properly
Copying of attributes from one thing to another
Check live transfer in of cheats
Add stand-alone patches (ie. basic stub)
When you select a sound for a thing from the menu, play the sound.
For saving patches read original data from original engine, but
 compare against current - to prevent save / reload as default 
 type problems.

Problems with text max size?