From f3f182b7c7d2bc96123e895c4e58e1bdceab98ca Mon Sep 17 00:00:00 2001
From: Pompolic <pompolic@special-circumstanc.es>
Date: Mon, 1 Jun 2020 14:05:32 +0200
Subject: [PATCH] Document changes to xref validation

---
 pdf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pdf.c b/pdf.c
index 8f4fa53..6050dc3 100644
--- a/pdf.c
+++ b/pdf.c
@@ -751,7 +751,9 @@ act_xrstm(const HParseResult *p, void *u)
 }
 
 /*
- * validate the /Type field on a cross-reference stream.
+ * validate the presence of an AST holding xref entries,
+ * (i. e. a successful parse of an xref table),
+ * and the /Type field on a cross-reference stream
  *
  * p = ((pnat nat) (dict offs offs))
  */
-- 
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