[luatex] "binary" marker missing in luatex 1.09, Development id: 6884

[Hans Hagen]

On 8/12/2018 10:20 AM, Patrick Gundlach wrote:
> 
> 
>> Am 12.08.2018 um 10:00 schrieb Hans Hagen <j.hagen at xs4all.nl>:
>>
>> On 8/11/2018 5:28 PM, Ulrike Fischer wrote:
> 
>>> In the pdf there is the "binary" marker on the line after the pdf
>>> version missing. The uncompressed pdf starts like this:
>>> %PDF-1.5
>>> 3 0 obj
>>> << /Length 449 >>
>>> instead of
>>> %PDF-1.5
>>> %ÐÔÅØ
>>> 3 0 obj
>>> <</Length 133       >>
>> It's on purpose.
> 
> At least PDF A-1 (ISO 19005-1:2005(E)) requires these binary markers.
> 
> "6.1.2 File header
> The % character of the file header shall occur at byte offset 0 of the file.
> 
> The file header line shall be immediately followed by a comment consisting of a % character followed by at
> least four characters, each of whose encoded byte values shall have a decimal value greater than 127."
ok, i'll add a suitable blob then ... (i don't have these iso standards 
as i'm not going to spend money on iso standards)

Hans


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