Re: Please add comments to isearch.el

[Juri Linkov]

> I don't really like custom variables that try to do everything and have
> complex structures. They tend to be intimidating to new users, precisely
> those who would benefit the most from the custom interface.
> They are also harder to use and harder to write docstrings for. Finally,
> they offer no benefit over just defining N streamlined variables whose
> docstrings mention each other. :-)

Then what do you think about two customizable variables:

1. search-default-regexp-function that always holds a function;

2. search-default-regexp-mode (or just search-default-mode)
   that defines whether to use search-default-regexp-function,
   or use a regexp search, or use a literal search?