+.IP "\fBannotate\fI schema annotations\fR"
+Reads \fIschema\fR, which should be a file in JSON format (ordinarily
+an OVSDB schema file), then reads and executes the Python syntax
+fragment in \fIannotations\fR. The Python syntax fragment is passed
+the JSON object as a local variable named \fBs\fR. It may modify this
+data in any way. After the Python code returns, the object as
+modified is re-serialized as JSON on standard output.