Node:Focus Global Variables, Next:Focus Constructors and Setting Functions, Previous:Focus Data Members, Up:Focus Reference
Focus default_focus | Variable |
Effectively, the default Focus in Picture::output() .
See Picture Reference; Outputting; Functions.
It's not really the default, but the version of
output() that doesn't take a
Focus argument calls another version
that does take one, passing default_focus to the
latter as its Focus argument.
It's necessary to do this in such a roundabout way,
because The declaration |