jka-compr-load-suffixes--internal

jka-compr-load-suffixes--internal is a variable defined in `jka-cmpr-hook.el'.
Its value is

(".gz")

Documentation:
Stored value of `jka-compr-load-suffixes'.
If Auto Compression mode is enabled, this is the value of
`jka-compr-load-suffixes' when `jka-compr-install' was last called.
Otherwise, it is nil.