Main sections
URLDECODE$()
dec$ = URLDECODE(enc$)
Decodes any %## encoding in the given string. Plus symbols ('+') are decoded to a space character.
LOCAL enc$ = URLENCODE$("?mail=me@privacy.net&text=some/special\nchars")
STDOUT enc$ + "\n"
STDOUT URLDECODE$(enc$) + "\n"