[texhax] dash spacing
tomfool at as220.org
Mon Apr 2 15:22:39 CEST 2012
Aha, I get it. Plus I feel better about not being able to find it.
Does this mean that the spacing (or lack thereof) varies from font to
On Mon, Apr 2, 2012 at 9:12 AM, Barbara Beeton <bnb at ams.org> wrote:
> Thank you all for the opinions --- justified and otherwise. Is there a
> to just redefine --- to have a tiny little space like Barbara's \Dash?
> It's much more convenient to type and read than \Dash. I suspect it of
> being a macro somewhere (after all, what isn't?), but it's the first one
> whose definition I can't seem to find, presumably because of some dark
> \chardef magic.
> not \chardef, but ligaturing info in the
> .tfm files. -- is ligatured to the en-dash,
> and the en-dash plus a hyphen is ligatured
> to the em-dash. (type in four hyphens in
> a row and see what happens.)
> so, not easy to insert a space other than
> as a macro. i suppose you *could* "adjust"
> the metrics to do it. since the em-dash
> isn't ligatured to anything else, a single
> one wouldn't result in anything unsightly,
> but there are a couple of good reasons
> not to do that:
> - if you insist on entering a 3-em dash
> in a bibliography as a string of nine
> hyphens, there would be gaps;
> - your font(s) would be nonstandard and
> your source code wouldn't compile
> elsewhere with the same result.
> i *know* you don't send your source code
> off on its own, but mods like this are
> still not desirable (even if you change
> the file names, as i know you would).
> possible (macro) workaround: if you
> don't have need for the macron, you could
> consider redefining \= to be an em-dash
> with tiny spaces around it. still not
> ideal, but a bit less onerous than \Dash.
> -- bb
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