This file is copyright © 2004,2005,2006,2011 by Panu Kalliokoski and released under the stx2any license.
Pass preformatted blocks through.
/^{{{$/,/^}}}$/ b
Quoting of possible special characters.
s#<#`'w_lt`'#g s#>#`'w_gt`'#g s#`'w_amp`'#g s#^\.#w_bldot`'# s#^'#w_blap`'# s#\\#`'w_bs`'#g s#{#`'w_obr`'#g s#|#`'w_bar`'#g s#}#`'w_cbr`'#g s#\^#`'w_ct`'#g s#~#`'w_td`'#g s/#/`'w_hs`'/g s/,`'w_hs`'/,#/g s#%#`'w_pct`'#g
The special case of # is because numbered lists put it in the call of w_item.