gnus-sieve-generate
gnus-sieve-generate is an interactive autoloaded Lisp function in `gnus-sieve.el
'.
(gnus-sieve-generate)
Generate the Sieve script in gnus-sieve-file, by replacing the region
between gnus-sieve-region-start and gnus-sieve-region-end with
(gnus-sieve-script gnus-sieve-select-method gnus-sieve-crosspost).
See the documentation for these variables and functions for details.