DL Envelope paper size

[davidcarlisle]

A use request via mail, logged here so it doesn't get lost:

adding named size for dlpaper (DIN format envelope, commonly used for 1/3 folded A4)

1. underneath line 393
   @namedef{Gm@dlpaper}Add dvipdfmx package option #1{\Gm@setsize{Add dvipdfmx package option #1}(210,99){mm}}% DIN DL ENVELOPE

2. underneath line 432 (now 433)
   \define@key{Gm}{dlpaper}[true]{\Gm@setpaper@ifpre{dlpaper}}%

[hanhub]

Dear David,
i am sorry, but envelope sizes for Germany/Austria/Switzerland are still not implemented in package geometry.
My distribution (MacTeX 2019) includes geometry 5.9 and there is no line for 'dlpaper' or similar.

For business letters on A4 paper, the envelope formats DIN long (DL) with manual filling, C6/C5 (C65) with machine filling and C4 are the most widespread in Germany/Austria/Switzerland, comparable with 'business' envelope No10 in the US. The format C6/C5 is by far the most frequently used format in Germany/Austria/Switzerland and is used according to DIN 678-2 in addition to C4, C5 and C6 as an inserting envelope for automatic inserting.

DIN long (DL) format: 220 x 110 mm
C5/C6 (c65) format: 229 x 114 mm
https://en.wikipedia.org/wiki/Envelope
Hannes

[davidcarlisle]

@hanhub sure but (a) the key could easily be defined as above in the document preamble and (b) I don't think I'm really authorised to make changes. I made some "emergency fixes" at this github with the permission of the package author after some luatex changes broke the original code, but I do not think I have general permission to extend the package.