bug#19106: M-x eww: use the current URI as the default; be bound to a key

[Ivan Shmakov]

>>>>> Lars Magne Ingebrigtsen <larsi@gnus.org> writes:
>>>>> Ivan Shmakov <ivan@siamics.net> writes:

 >> I do not copy.  Care to provide an example of such a function?

 >> (M-p?  Did you, by a chance, mean M-n instead?  At the very least,
 >> C-x C-f has M-n to get buffer-file-name into the minibuffer.  And
 >> it’s exactly how either of my patches behave.)

 > Er, yes, `M-n'.

 > I thought the patch had a "default (...)" thing instead?

        The second patch has both.

        Specifically, when read-string is passed a (non-empty) list for
        its ‘default’ argument, the car of such list is used as the
        default value, while all the list elements are available for
        M-n, M-p.  The patch suggested just tries to make the “default
        value” part clear to the user:

+         (prompt (concat "Enter URL or keywords"
+                         (if uris (format " (default %s)" (car uris) ""))
+                         ": ")))

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