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-rw-r--r--manual/qpdf-manual.xml8
1 files changed, 8 insertions, 0 deletions
diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 4fde831a..178174ea 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -255,6 +255,14 @@ make
linkend="ref.page-selection"/>.
</para>
<para>
+ If <option>@filename</option> appears anywhere in the
+ command-line, it will be read line by line, and each line will be
+ treated as a command-line argument. The <option>@-</option> option
+ allows arguments to be read from standard input. This allows qpdf
+ to be invoked with an arbitrary number of arbitrarily long
+ arguments.
+ </para>
+ <para>
<option>outfilename</option> does not have to be seekable, even
when generating linearized files. Specifying
&ldquo;<option>--</option>&rdquo; as <option>outfilename</option>