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ALT+255 makes the same character as pressing the Spacebar
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ALT+022 Pastes whatever's in the buffer
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ALT+008 creates a horizontal tab
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ALT+013 makes a pagebreak
EXPLANATION
ALT+022 does paste whatever characters you may have previously cut or copied.
ALT+255
make a character that "looks" like a space, but is not. For fun, from
command prompt, add ALT+255 to a directory name. Then, try to DIR to it
using the Spacebar!
ALT+008 Backspaces
ALT+013 is a Carriage Return
Here is a decent list of ASCII characters and their original functions:
https://en.wikipedia.org/wiki/ASCII
The control characters have also been imported to WIndows-1252:
https://en.wikipedia.org/wiki/Windows-1252
and Unicode:
https://en.wikipedia.org/wiki/List_of_Unicode_characters
While
some of them may not work, you might be surprised how many do.
Especially when someone doesn't include them in a web form's regular
expression to block them ;) Have fun experimenting!
SOURCE
https://en.wikipedia.org/wiki/ASCII