[XeTeX] PDF V1.6 too recent

[Philip TAYLOR]

Zdenek Wagner wrote:

> I believe it can be done but I cannot test it now because my Windows
> machine does not work. At least I am sure that it is able to produce
> PDF/X (it is PDF 1.4) as well as PDF/A (it is PDF 1.5).

The specifier is a function of the "Default settings", Zdeněk, but
I have decided against changing this because of the extremely
significant impact on file size (for an A0 image, 170Mb v. 4Mb).

** Phil.