Hi,
In short, pressing ctrl+{other key} just sends a code that's 64 (dec) lower
than then {other key} by itself. So ctrl-@ sends '0' (NUL), ctrl-C sends '3',
ctrl-T '20'. To make it easy, no difference is made between upper/lowercase.
Look at an ASCII table, as this method is/was meant to send codes from 0-31
(with 32 having its own key, spacebar), and you'll see why some non-letter
{other keys} like '[' or ']' work, but others like e.g. '*' (usually) don't.
Regards,Pieter
Sent from a mobile, sorry for any typoes..._______________________________________________
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