Propose dangling filter false to be not same as the meaning of disable filter

[HackToday]

Right now, the dangling filter in docker images or volumes means as following:

When dangling=true, it would just filter those images with "none"
Like this:
$ docker images -f dangling=true
REPOSITORY TAG IMAGE ID CREATED SIZE
cb70b4991cfd 16 minutes ago 133.9 MB

But when dangling=false

$ docker images -f dangling=false
REPOSITORY TAG IMAGE ID CREATED SIZE
cb70b4991cfd 17 minutes ago 133.9 MB
centos latest 61b442687d68 13 days ago 196.6 MB

It is same as docker images:

$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
cb70b4991cfd 18 minutes ago 133.9 MB
centos latest 61b442687d68 13 days ago 196.6 MB

It seems it is very confusing, I think following maybe more meaningful:
If dangling=true it means just filter out those "none" images
if dangling=false, it means just filter out images without "none"
If without dangling filter, it means not use filter, so all images(include "none" would be listed)

It maybe more meaningful this way.

I just create this issue for discussion if it is meaningful for this propose

[HackToday]

ping @cpuguy83 and @thaJeztah and @calavera Wdyt ? Thanks

[thaJeztah]

Yes, I think that makes sense!