bug#60666: 30.0.50; [PATCH] Use field properties in Eshell buffers

[Eli Zaretskii <eliz@gnu.org>]

> Date: Mon, 9 Jan 2023 09:52:53 -0800
> Cc: 60666@debbugs.gnu.org
> From: Jim Porter <jporterbugs@gmail.com>
> 
> On 1/9/2023 4:09 AM, Eli Zaretskii wrote:
> > The only thought I have is "what if anyone _does_ like Home to do what
> > it does now?"  So this change should have a NEWS ebtry about the
> > incompatible changes, and a recipe for how to get back the old
> > behavior for those who want it.
> 
> Thanks, that makes sense. I've added a NEWS entry to the first part (see 
> attached). The recipe seems like it's on the edge of what would be 
> reasonable for users to paste into their configs though. I don't have a 
> strong opinion here, but if you think the recipe is too long, maybe we 
> could add the 'move-beginning-of-line-ignoring-fields' function to 
> simple.el. It might possibly be useful for some small number of people 
> who want to selectively disable field text motion.

I don't think I understand why keeping eshell-bol and telling people
to bind <HOME> to that function if they want wouldn't be a much more
reasonable solution.  I'm probably missing something.

Adding a function that is used in just two places doesn't sound TRT to
me.