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Merge pull request #13078 from patrycja-guzik/podman-image-ls-filters

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[CI:DOCS] Adapt podman images ls filters docs to be aligned with prune filters docs
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docs/source/markdown/podman-images.1.md
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@ -25,27 +25,32 @@ Show image digests
#### **--filter**=*filter*, **-f**
Filter output based on conditions provided
Provide filter values.
Filters:
The *filters* argument format is of `key=value`. If there is more than one *filter*, then pass multiple OPTIONS: **--filter** *foo=bar* **--filter** *bif=baz*.
**since=IMAGE**
Filter on images created after the given IMAGE (name or tag).
Supported filters:
**before=IMAGE**
Filter on images created before the given IMAGE (name or tag).
| Filter | Description |
| :----------------: | --------------------------------------------------------------------------------------------- |
| *before* | Filter by images created before the given IMAGE (name or tag). |
| *dangling* | Filter by dangling (unused) images. |
| *label* | Filter by images with (or without, in the case of label!=[...] is used) the specified labels. |
| *readonly* | Filter by read-only or read/write images. |
| *reference* | Filter by image name. |
| *since* | Filter by images created after the given IMAGE (name or tag). |
**dangling
Show dangling images. Dangling images are a file system layer that was used in a previous build of an image and is no longer referenced by any image. They are denoted with the `<none>` tag, consume disk space and serve no active purpose.
The `before` *filter* accepts formats: `<image-name>[:<tag>]`, `<image id>` or `<image@digest>`.
**label**
Filter by images labels key and/or value.
The `dangling` *filter* shows images that are taking up disk space and serve no purpose. Dangling image is a file system layer that was used in a previous build of an image and is no longer referenced by any image. They are denoted with the `<none>` tag, consume disk space and serve no active purpose.
**readonly
Show only read only images or Read/Write images. The default is to show both. Read/Only images can be configured by modifying the "additionalimagestores" in the /etc/containers/storage.conf file.
The `label` *filter* accepts two formats. One is the `label`=*key* or `label`=*key*=*value*, which shows images with the specified labels. The other format is the `label!`=*key* or `label!`=*key*=*value*, which shows images without the specified labels.
**reference=**
Filter by image name, specified as regular expressions.
The `readonly` *filter* shows, as a default, both read-only and read/write images. Read-only images can be configured by modifying the `additionalimagestores` in the `/etc/containers/storage.conf` file.
The `reference` *filter* accepts the pattern of an image reference `<image-name>[:<tag>]`.
The `since` *filter* accepts formats: `<image-name>[:<tag>]`, `<image id>` or `<image@digest>`.
#### **--format**=*format*