03-27-2008
The shell tries to figure out when it needs to wrap lines, and the non-printable stuff in your prompt counts towards that, because it doesn't know it's non-printable. Bash has a \[ \] sequence which you can use to tell the shell that something is not printable, but I doubt an old version of ksh would have that.
Sorry, can't help with the Home and End keys. If you can get the raw key codes then the rest should not be too awkward.
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