Int 2F Fn 270E - Dr Dos 6.0 Taskmax - Get/set Text Paste Lead-in [T]

AX = 270Eh
CX = length of string (max 15 keystrokes, 0000h to get current string)
DS:SI -> pasting lead-in string (character/scan-code pairs)

Return: ES:DI -> current lead-in string

Note: the specified sequence of keystrokes is sent to the application before
every line of a text-mode spreadsheet paste

See Also: AX=270Fh,AX=2710h,AX=2713h