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| author | Jay Berkenbilt <ejb@ql.org> | 2021-02-02 21:55:18 +0100 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2021-02-03 00:06:05 +0100 |
| commit | faa2e3ddfd7e5bfd0922deb49b9c88e8eee08fbd (patch) | |
| tree | 3135b09a275e9032b3994e9f80abc18793e245b7 /manual | |
| parent | 81025e499893c38b40aa824a5abc43393a8afed1 (diff) | |
| download | qpdf-faa2e3ddfd7e5bfd0922deb49b9c88e8eee08fbd.tar.zst | |
Handle older PDFs whose form XObjects inherit resources (fixes #494)
When removing unreferenced resources, notice if a page (recursively)
contains a form XObject with unreferenced resources, and count any
such resources as referenced by the page.
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/qpdf-manual.xml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml index 66819d99..fda9c1fd 100644 --- a/manual/qpdf-manual.xml +++ b/manual/qpdf-manual.xml @@ -4889,6 +4889,16 @@ print "\n"; <itemizedlist> <listitem> <para> + If a form XObject lacks a resources dictionary, consider any + names in that form XObject to be referenced from the + containing page. This is compliant with older PDF versions. + Also detect if any form XObjects have any unresolved names + and, if so, don't remove unreferenced resources from them or + from the page that contains them. + </para> + </listitem> + <listitem> + <para> Properly handle strings if they appear in inline image dictionaries while externalizing inline images. </para> |