RE: Displaying the state of isearch toggles [was Re: ASCII-folded search]

[Drew Adams]

> a. Indicate a few of the aspects of the state directly.
>    I gave the example of `Isearch' vs `ISEARCH' for case
>    sensitivity.  Wrapping and overwrapping can be indicated
>    using an overline and an overline and underline, respectively.
>    (See attachments.)  Regexp search might be shown as `Rsearch'
>    (and `RSEARCH') or as `Isearch*' (and `ISEARCH*').

You can try it out, to get an idea, by loading isearch+.el:
http://www.emacswiki.org/emacs/download/isearch%2b.el

(That will also make other changes to Isearch, but at least
you can see the above suggestion.)