[texhax] checking if a piece of text stays on one line or more than one line

Heiko Oberdiek heiko.oberdiek at googlemail.com
Wed Oct 12 11:13:08 CEST 2011

On Wed, Oct 12, 2011 at 02:36:12PM +1100, Vafa Khalighi wrote:

> thanks for this. Do you know why my posted minimal example did not work as
> soon as I added \beginR?

* The whatits are processed in reverse order. Therefore I have also
  added \pdfsavepos (\zref at savepos) also behind the label setting.

* And the detection of the direction is done by an additional
  auxiliary label

Yours sincerely
  Heiko Oberdiek

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