RE: Is it possible to leverage ispell's interface for other purposes?

[Drew Adams]

> From: Sean McAfee Sent: Thursday, August 26, 2010 8:47 PM
>
> I'd like to be able to scan through a buffer's content, 
> looking for any of several regular expressions, and as each
> one is found, be presented with a list of replacements, in the
> same manner that ispell provides possible spelling corrections.
> The list of replacements will be dynamically generated by a
> Lisp callback I specify.  I want to be able to choose one of
> the replacements by number, or provide new replacement
> text, which in either case will cause a second callback to be 
> invoked so that I can keep a record of what changes were made.
> 
> The real reason I'd like to be able to do this is rather 
> complicated to explain, so I'll offer a contrived example that
> keeps all of the important features.  Suppose I have a file of
> text that frequently mentions various traditional metasyntactical
> variables (foo, bar, baz, etc).  For each such variable, I want
> to be presented with a menu of replacements, one of which is the
> same variable name but in upper case, and the rest of which are
> the other known metasyntactical variables.
> So, if foo, bar, and baz were the only three variables I cared about,
> I'd have a callback that returns the list '("FOO" "bar" "baz") when
> given the argument "foo", the list '("BAR" "foo" "baz") when given the
> argument "bar", etc.  I could pick from the list or type something
> totally new, and in either case another callback like (lambda 
> (old-text new-text) ...) would be invoked.
> 
> Is it remotely possible to leverage the existing ispell interface as
> I've described, or would I have to roll something up from scratch?

Sounds interesting to me, Sean.
Did you ever get a reply or investigate this further yourself?