[luatex] Q: What is a "running" glue dimension in rule node?

Heiko Oberdiek heiko.oberdiek at googlemail.com
Fri Mar 12 10:10:25 CET 2010

On Fri, Mar 12, 2010 at 09:32:51AM +0100, Patrick Gundlach wrote:

> \vrule width 1mm
> and this looks like it turns out to a node like this:
> rule: width=186467, height=-1073741824, depth=-1073741824
> Now looking at the reference manual, it states ( that the special
> value "-1073741824" is used for ?running' glue dimensions. What is a
> running glue dimension? Does that mean that there is no height and depth
> given in TeX's input?

The height and depth will be taken from the surrounding box.

Yours sincerely

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