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Line editor with dynamic prompt

From: Whitfield Diffie
Subject: Line editor with dynamic prompt
Date: Tue, 28 Oct 2014 09:15:49 -0700

    The attached program --- whose calling sequence is

        (lineedit prompt-base starting-string position-in-string)

displays the length of the string and the position of point in the
string as part of the prompt; it changes as point moves or the string
is edited.

   Does anyone know how to do this without having to write the line
editor by hand?


Attachment: lineedit.el
Description: Binary data

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