[DVIPDFMx] changing PDF default to 1.5

[Taco Hoekwater]

Elie Roux wrote:
> Martin Schröder a écrit :
>> You shouldn't try vice versa (i.e. 1.5 in 1.4).
>>   
> 
> Hello,
> 
> a object compressed pdf 1.5 produced with pdfTeX can be included without 
> problems (by pdfTeX) in a non-compressed pdf 1.4, even though it's not 
> really orthodox... it just issues a warning, but I haven't seen any 
> problem, are there some?

It'll break the display on any software that only supports 1.4
(like some e-readers) because you are lying about the minimum
requirements.

Best wishes,
Taco