[jQuery] (autocomplete) Extraparams and caching

of extraParams. This causes problems for example when we use a checkbox state as extraParams value. The only way around this is to use cacheLength: 0, but adding extraParams to cache key should not be a problem. Would you mind fixing this? johno

[jQuery] ExtraParams and caching

of extraParams. This causes problems for example when we use a checkbox state as extraParams value. The only way around this is to use cacheLength: 0, but adding extraParams to cache key should not be a problem. Would you mind fixing this? johno