For Autoselect-all confirmation, accept yes|n|q (or yes|no|quit)
rather than just yes|n (or yes|no). An extra query routine is needed
to support it, but the existing paranoid_query() can just call the
new paranoid_ynq() with an extra argument, keeping things painless.
For menustyle:full plus paranoid_confirmation:Autoall, if you include
'A' in the class filtering choices then you're prompted for whether
you really meant it. (Same behavior as in the past few weeks.) Yes
auto-selects items matching all other chosen classes, or from all
classes if 'A' is the only choice. (Again, same behavior.) n|no
moves on to menu:full's second menu. If anything else was chosen
along with 'A', that's what the second menu will offer. (Same as
past few weeks but revised from initial implementation.) If 'A' was
the only choice, it will now use 'a' and offer a choice of everything
in the second menu. (That's a change; it used to cancel if declining
to honor 'A' and nothing else was present.) Now <return> without
answering or q|quit or ESC skips the second menu, whether or not the
rejected 'A' was the only choice made in the first menu. (New.)
Other paranoid confirmations still just accept yes and n|no responses,
treating ESC as n|no.
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