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saitoha · Oct 8, 2014 · 6fe01cb · 6fe01cb
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diff --git a/README.md b/README.md
@@ -308,6 +308,8 @@ Options:
                                        GIF header (default)
                              force   -> always enable loop
                              disable -> always disable loop
+-P --penetrate             penetrate GNU Screen using DCS
+                           pass-through sequence
 -V, --version              show version and license info
 -H, --help                 show this help
 ```

diff --git a/converters/img2sixel.1 b/converters/img2sixel.1
@@ -175,6 +175,10 @@ auto   -> honer the setting of GIF header (default)
 force   -> always enable loop
 .br
 disable -> always disable loop
+.TP 5
+.B \-P, \-\-penetrate
+penetrate GNU Screen using DCS pass-through sequence.
+
 
 .SH "SEE ALSO"
 sixel(5) sixel2png(1)

diff --git a/converters/img2sixel.c b/converters/img2sixel.c
@@ -829,6 +829,8 @@ void show_help()
             "                                       GIF header (default)\n"
             "                             force   -> always enable loop\n"
             "                             disable -> always disable loop\n"
+            "-P --penetrate             penetrate GNU Screen using DCS\n"
+            "                           pass-through sequence\n"
             "-V, --version              show version and license info\n"
             "-H, --help                 show this help\n"
             );