[t/spec] Add tests for .subst with :p and :c options.
[t/spec] Add tests for .subst with :p and :c options.

git-svn-id: 53605643c415f7495558be95614cf14171f1db78@30804 c213334d-75ef-0310-aa23-eaa082d1ae64

dankogai/roast,niner/roast,skids/roast,bitrauser/roast,bitrauser/roast,skids/roast,laben/roast,laben/roast,b2gills/roast,perl6/roast,dankogai/roast,dogbert17/roast,cygx/roast,cygx/roast,laben/roast,skids/roast,niner/roast,zostay/roast,zostay/roast,cygx/roast,dankogai/roast,zostay/roast,niner/roast,b2gills/roast,dogbert17/roast,b2gills/roast