in the WED config options.scr
change this:

; save the WMP file in the binary A7 format
SAVE_WMPB = off

this allows you to save the level in plain text

(WED should put that into the prefs as option)

Some small recent games of mine:
Griefer 4k http://damocles11.byethost9.com/griefer4k.html
Kobold 4k http://damocles11.byethost9.com/kobold.html
Cave 4k http://damocles11.byethost9.com/cave4k.html