Looks like that was the last remaining mention in core ...
gst\-launch textoverlay name=overlay ! videoconvert ! videoscale ! autovideosink filesrc location=movie.avi ! decodebin2 ! videoconvert ! overlay.video_sink filesrc location=movie.srt ! subparse ! overlay.text_sink
.br
-Play an AVI movie with an external text subtitle stream using playbin2
+Play an AVI movie with an external text subtitle stream using playbin
.B
- gst\-launch playbin2 uri=file:///path/to/movie.avi suburi=file:///path/to/movie.srt
+ gst\-launch playbin uri=file:///path/to/movie.avi suburi=file:///path/to/movie.srt
.B Network streaming