Remove wrong period check. The validity period can be e.g. from November till February, thus spanning over turn of the year and allowing a from value greater than to value (in terms of day of year).

# use glob syntax.
syntax: glob
doc
css
gfx
build
extjs
*.orig
*.jse
*.rej
*/.*
*.swp
ext-*/
resources/
# switch to regexp syntax.
syntax: regexp