Allow odd/even modifiers in numeric range (fixes #364)

1 files changed, 3 insertions, 2 deletions

diff --git a/qpdf/qpdf.cc b/qpdf/qpdf.cc
index 2bd98ccb..0e634412 100644
--- a/qpdf/qpdf.cc
+++ b/qpdf/qpdf.cc
@@ -1286,8 +1286,9 @@ ArgParser::argHelp()
         << "to count from the end, so \"r3-r1\" would be the last three pages of the\n"
         << "document.  Pages can appear in any order.  Ranges can appear with a\n"
         << "high number followed by a low number, which causes the pages to appear in\n"
-        << "reverse.  Repeating a number will cause an error, but the manual discusses\n"
-        << "a workaround should you really want to include the same page twice.\n"
+        << "reverse.  Numbers may be repeated.  A page range may be appended with :odd\n"
+        << "to indicate odd pages in the selected range or :even to indicate even\n"
+        << "pages.\n"
         << "\n"
         << "If the page range is omitted, the range of 1-z is assumed.  qpdf decides\n"
         << "that the page range is omitted if the range argument is either -- or a\n"