On Mon, 22 Jun 2020, Aditya Mahajan wrote:

Replying to an old thread ... but drops module does not work with lmtx because \pxdimen is not defined.

On Thu, 10 Mar 2016, Hans Hagen wrote:

On 3/10/2016 12:03 AM, Aditya Mahajan wrote:
The drops module uses the primitive \pdfpxdimen in a couple of places,
but that is no longer defined in the current beta. What is the
equivalent command now?

Examples of usage:

\pdfpxdimen1in\relax\divide\pdfpxdimen\numexpr\dropsparameter\c!
resolution\relax % set actual pixel dimension

just \pxdimen (as it's not related to pdf)

What will be the equivalent of \pxdimen in LMTX?

Just realized that this is a bug in t-drops: Line 143 of t-dropx.mkiv says

\doifundefined{pdfvariable} {\let\pxdimen\pdfpxdimen} % \pxdimen in luatex 0.85

Commenting that out fixes the bug.

Aditya


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