Add support for writing of xref streams

Use of the feature is currently enabled only in the case that a file
that already contains xref streams is being updated incrementally. To
do so in that case is necessary because an old-style xref is then not
permitted.

This fixes bug #694527

1 files changed, 1 insertions, 0 deletions

diff --git a/include/mupdf/pdf/document.h b/include/mupdf/pdf/document.h
index a1837f4a..ec11b80f 100644
--- a/include/mupdf/pdf/document.h
+++ b/include/mupdf/pdf/document.h
@@ -215,6 +215,7 @@ struct pdf_document_s
 	pdf_xref *xref_sections;
 	int xref_altered;
 	int freeze_updates;
+	int has_xref_streams;
 
 	int page_count;