How to cat

How to cat

In bash if pasted text data contains tabs, they cause autocomplete.
If I start bash with '--noediting', on some systems the length of pasted
line is limited to 256 chars.
If instead I paste directly to cat's input (without <<'EOF'), the max line
is also 256.
If I do 'stty raw', the line length is no longer limited, but there's no
way to send EOF to cat's input.