Re: re-builder highlighting incorrect for more than 3 groupings

[martin rudalics]

> I encountered strange behavior with re-builder:
>
> I made a testcase to show it. Consider the following buffer:
>
> t-t-t-t
> t-t-t-t
> t-t-t-t
> t-t-t-t
>
> re-builder with the regex "\\(.\\)-\\(.\\)-\\(.\\)" correctly highlights
> all first groupings. But if i make another group,
> "\\(.\\)-\\(.\\)-\\(.\\)-\\(.\\)", it only highlights the first
> match. Perhaps this has something to do with missing faces for more than
> three groupings.

In fact you should have noted the message:

reb-update-overlays: Too many subexpressions - face `reb-match-4' not defined

You can add as many deffaces

(defface reb-match-4 ...

(defface reb-match-5 ...

...

you want to your .emacs.