HTML5 Cache — Is it possible to have several distinct caches for a single URL?

Question

Every URL can be linked to a single cache manifest. But I want several cache manifests linked to a same URL. Here is the reason:

Some files I want to be cached are r

Answer 1

CACHE MANIFEST

# This is a comment.
# Cache manifest version 0.0.1
# If you change the version number in this comment,
# the cache manifest is no longer byte-for-byte
# identical.

demoimages/mypic.jpg
demoimages/yourpic.jpg
demoimages/ourpic.jpg
sr/scroll.js

NETWORK:
# All URLs that start with the following lines
# are whitelisted.
# whitelisted items are needed to help the site function, you could put regularly
# changing items here
http://example.com/examplepath/
http://www.example.org/otherexamplepath/

CACHE:
# Additional items to cache.
demoimages/allpics.jpg

FALLBACK:
demoimages/currentImg.jpg images/stockImage.jpg`