Minor feature idea

[Richard Stallman <rms@gnu.org>]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

In the minibuffer reading a file name, C-a typed within the last
component could move to the start of that component.  The next time,
it could move to the beginning of the line.

If people think it is a good idea, I will write it if no one else
does.

Alternatively, C-M-b and C-M-f could move by filename component.
That is cleaner and does more, but those chars are harder to type
and users won't come across it in their editing.

-- 
Dr Richard Stallman
President, Free Software Foundation
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