range: Update range's README.md:
1. Add info about using `type` as fallback.
2. Improve readability of section "Usage"
@@ -20,9 +20,12 @@ The package is called `libelektra5-experimental`.
## Usage
-The plugin checks every `Key` in the `KeySet` for the metakey `check/range` which contains either a single range with the syntax `[-]min-[-]max`, or a list of ranges or values separated by `,` and tests if the `Key`'s value is within the range(s).
-
-`check/type` can be used to specify the data type. If not specified otherwise the default value is `long long`
+- The plugin checks every `Key` in the `KeySet` having a metakey `check/range`.
+- For these keys, it checks whether the key value is within the specified range.
+- `check/range` can contain either:
+ 1. a single range with the syntax `[-]min-[-]max`
+ 2. or a list of ranges or values separated by `,`
+- Metakey `check/type` can be used to specify the data type. If not specified, metakey `type` will be used as fallback. If both are unspecified or unsupported, the type is assumed to be `long long`.
Possible values:
