bug#27341: updated patch to fix docstring

[npostavs]

Alex Branham <branham@utexas.edu> writes:

> -  (eww (buffer-substring beg end)))
> +  (if (region-active-p)

If think we should use `use-region-p' instead.  Or perhaps just check
directly if region is empty?  I guess searching for an empty string
doesn't make much sense even if `use-empty-active-region' is t.