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Store indirect nulls in QPDF_Dictionary

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m-holger 2023-08-25 12:25:06 +01:00
parent 34491c612d
commit 6574dc5c03
1 changed files with 3 additions and 1 deletions
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4
libqpdf/QPDF_Dictionary.cc
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@ -122,7 +122,9 @@ void
QPDF_Dictionary::replaceKey(std::string const& key, QPDFObjectHandle value)
{
if (value.isNull() && !value.isIndirect()) {
// The PDF spec doesn't distinguish between keys with null values and missing keys.
// The PDF spec doesn't distinguish between keys with null values and missing keys. Allow
// indirect nulls which are equivalent to a dangling reference, which is permitted by the
// spec.
removeKey(key);
} else {
// add or replace value