bug#10734: Proposal: comint-history-read-only

[Lars Ingebrigtsen]

Zachary Kanfer <zkanfer@gmail.com> writes:

> This patch proposes a new feature in comint mode. Currently, setting
> comint-prompt-read-only to some non-nil value makes the prompt
> read-only, but this only makes the prompt read-only. I don't find it
> useful to insert text into the middle of a historical buffer, so I
> added a new variable comint-history-read-only. If set to non-nil, this
> variable makes the entire history read-only.

I think this probably makes sense...  Most process oriented mode are
quite read-only, except for the line you're typing on.

> + (defcustom comint-history-read-only nil
> +   "If non-nil, all comint history is read only."
> +   :type 'boolean
> +   :group 'comint)

This might even default to t?

It needs updating in the Emacs manual and an etc/NEWS entry, though.

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