path: root/man/feh.pre
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1 files changed, 8 insertions, 1 deletions
diff --git a/man/feh.pre b/man/feh.pre
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+++ b/man/feh.pre
@@ -920,10 +920,17 @@ comes before
Note that this option only has an effect when a sort mode is set using
.Cm --sort .
-.It Cm --windowid Ar windowid
+.It Cm --window-id Ar windowid
Draw to an existing X11 window by its ID
.Ar windowid .
+This option is intended for use with software such as xcreensaver or
+xsecurelock, which provide a window for other applications to draw into.
+Unexpected things will happen if you specify a window belonging to software
+which does not expect
+to draw into it or attempt to use options or keybindings which affect window
+attributes, such as full-screen mode.
.It Cm --xinerama-index Ar screen