help.html: use GET not POST for search form, so that the search term appears in the URL, and to make the back button work. Fixes #312
help.html: use GET not POST for search form, so that the search term appears in the URL, and to make the back button work. Fixes #312

erg/factor,erg/factor,mcandre/factor,erg/factor,mcandre/factor,mcandre/factor,erg/factor,mcandre/factor,mcandre/factor,erg/factor,erg/factor,erg/factor,mcandre/factor,mcandre/factor