<para>
-This environment variable can be set to a colon-separated list of paths.
+This environment variable can be set to a colon-separated list of paths (or
+semicolon-separated list on Windows).
If this variable is not set, GStreamer will fill in this list for you
with
<itemizedlist>
<title><envar>GST_PLUGIN_PATH</envar>, <envar>GST_PLUGIN_PATH_1_0</envar></title>
<para>
-This environment variable can be set to a colon-separated list of paths.
+This environment variable can be set to a colon-separated list of paths (or a
+semicolon-separated list on Windows).
GStreamer will scan these paths for GStreamer plug-ins. These plug-ins will
be loaded in addition to, and before, the plug-ins in the system paths.
</para>
gst-launch-&GST_API_VERSION; is one such application.
</para>
<para>
+When gst-launch-&GST_API_VERSION; changes state through NULL to PLAYING
+and back to NULL, a dot file is generated on each state change. To have
+gst-launch-&GST_API_VERSION; write a snapshot of the pipeline state, send
+a SIGHUP to the gst-launch-&GST_API_VERSION; process.
+ </para>
+ <para>
These .dot files can then be turned into images using the 'dot' utility
from the graphviz set of tools, like this:
<command>dot foo.dot -Tsvg -o foo.svg</command> or