bug#23468: Feature request: highlight Edebug breakpoints

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> And now that I see it in action, I think its visual appearance could
> be improved.  What I see is the opening parenthesis of the form
> highlighted in the 'highlight' face.  I think we should use a distinct
> face, so that it doesn't "disappear" if the user has hl-line mode
> enabled and so that users could customize it independently, and also I
> think an indication similar to GUD (on the fringe etc.) would be
> better: more prominent and much more self-explanatory.

OK, I've now added a new face, but defaulted to the highlight face,
because that seems to stand out to me.

As for a fringe indication -- there may be a bunch of breakpoints.  Do
we want to have something in the fringe for all of them?

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