Removes empty items and ensures item in each collection are unique and
sorted
# File lib/rdoc/ri/store.rb, line 122
def clean_cache_collection collection # :nodoc:
collection.each do |name, item|
if item.empty? then
collection.delete name
else
# HACK mongrel-1.1.5 documents its files twice
item.uniq!
item.sort!
end
end
end