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-rw-r--r--doc/filters.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index a30f101e6e..1ffaf3cc72 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -10745,6 +10745,13 @@ Default is @var{smear}.
Set color for pixels in fixed mode. Default is @var{black}.
@end table
+@subsection Commands
+This filter supports same @ref{commands} as options.
+The command accepts the same syntax of the corresponding option.
+
+If the specified expression is not valid, it is kept at its current
+value.
+
@section find_rect
Find a rectangular object