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Commands in file VT52:
& Setup VT52 Library
S Sets up the defaults for the VT52
keypad upon the entrance of the library. The fork hooks are
defined so that the keypad is left in numeric mode upon
exiting. There are keys that also get redefined.
VT52 ALTERNATE KEYPAD
C Sets alternate keypad mode for VT52's
then this command is executed, the keypad on the left and the arrow
keys are now executable commands.
The terminal is put in CURSOR KEYS MODE and KEYPAD APPLICATION MODE.
This mode switching is done by valretting to DDT so if this job
does not have a DDT superior this command will fail.
VT52 NORMAL KEYPAD
C Undos alternate keypad mode for VT52's
C Prints out the key definitions in display mode
& Set VT52 Mode Line
S Set the Mode line hook for the library
^R Proper Delete Character
^R Delete the character after the point.
Negative arguments delete backwards
^R Delete Last Searched Item
^R Deletes last searched item in buffer.
Will only work if the pointer hasn't moved
^R Kill Real Line
^R Kill lines including the CRLF
Fix PHOTO File
Strips a PHOTO file if created on a VT52