Nico Weber e16345555b LibPDF: Port 59b50fa43f8c2 to xref and object streams ...

0000440.pdf contains an xref stream object (at offset 3643676) starting:

```
294 0 obj <<
/Type /XRef
/Index [0 295]
/Size 295
```

and an object stream object (at offset 3640121) starting:

```
230 0 obj <<
/Type /ObjStm
/N 73
/First 614
```

In both cases, the `obj` and the `<<` are separated by non-newline
whitespace.

633e1632d0 made parse_indirect_value() tolerate this, but it didn't
update neither parse_xref_stream() (which parses xref streams) nor
parse_compressed_object_with_index() (which parses object streams),
despite all three changes being part of #14873.

Make parse_xref_stream() and parse_compressed_object_with_index()
call parse_indirect_value() to pick up the fix over there. It's a bit
less code too.

(0000440.pdf is the only PDF in my 1000 test PDFs that this helps,
somewhat surprisingly.)

2024-01-04 11:27:24 +01:00

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