On Sun, 05 May 2013 01:20:17 -0700, <[email protected]> wrote:
Maintaining a "cursor position" in stack-stencil-line and friends means
that you can't assemble partial lines yourself in a manner blending in.
That's bad.
Oh. I thought it was good. If the possibly-backspaced cursor is forgotten when
\line is finished, then the user doesn't have to remember where the cursor
ended up.
\markup { A
\line {reverse turn \hspace#-5 \raise #2 \musicglyph #"scripts.reverseturn" }
is found in the original manuscript.}
I suppose this comes out the same in your more-recent iterations. Only
backspace at the end of a \line has a difference. Even in that case I would
rather forget about pending backspaces. The original fix to the issue suffered
because a parenthesized item (with repaired refpoint) blended in when we
assembled partial lines
parenFlat = \markup {\hspace#-2 ( \flat )}
\markup {An editorial \parenFlat flat}
It is a little surprising if \parenFlat carries a pending backspace. If the
markup building \parenFlat implements the backspace, and then tells no-one
about it, it makes a simpler interface.
It looks very good that you made 'empty' mean (+inf . inf) so that negative
extents don't count as empty. But then defining 'half-empty' complicates
things again, and I have not found a use for it.
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