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-rw-r--r--manual/qpdf-manual.xml8
1 files changed, 7 insertions, 1 deletions
diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 442285df..35e6aa81 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -741,7 +741,13 @@ make
Checks file structure and well as encryption and
linearization. A file for which <option>--check</option>
reports no errors may still have errors in stream data but
- should otherwise be otherwise structurally sound.
+ should otherwise be otherwise structurally sound. If
+ <option>--check</option> any errors, qpdf will exit with a
+ status of 2. There are some recoverable conditions that
+ <option>--check</option> detects. These are issued as
+ warnings instead of errors. If qpdf finds no errors but finds
+ warnings, it will exit with a status of 3 (as of
+ version&nbsp;2.0.4).
</para>
</listitem>
</varlistentry>