label:description/processing:lineage: Allow CommonMark #950

CHANGELOG.md

@@ -25,6 +25,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Relaxed the regular expression for DOIs in the scientific extension ([#910](https://github.com/radiantearth/stac-spec/issues/910))
 - The [Stats Object](collection-spec/collection-spec.md#stats-object) for Collection `summaries` changed `min` to `minimum` and `max` to `maximum` to align with JSON Schema.
 - `proj:geometry` allows all GeoJSON geometries instead of just a polygon.
+- `label:description` and `processing:lineage` allow CommonMark for rich-text representation ([#950](https://github.com/radiantearth/stac-spec/issues/950))
 
 ### Removed
 

extensions/label/README.md

@@ -56,7 +56,7 @@ Some additional notes are given here for some of the core STAC Item fields and w
 | ----------------- | -------------------------------- | -------------------------- | ----------- |
 | label:properties  | \[string]\|null                  | Name                       | **REQUIRED** These are the names of the property field(s) in each `Feature` of the label asset's `FeatureCollection` that contains the  classes (keywords from `label:classes` if the property defines classes). If labels are rasters, use `null`. |
 | label:classes     | \[[Class Object](#class-object)] | Classes                    | **REQUIRED** if using categorical data. A Class Object defining the list of possible class names for each `label:properties`. (e.g., tree, building, car, hippo) |
-| label:description | string                           | Description                | **REQUIRED** A description of the label, how it was created, and what it is recommended for |
+| label:description | string                           | Description                | **REQUIRED** A description of the label, how it was created, and what it is recommended for. [CommonMark 0.29](https://commonmark.org/) syntax MAY be used for rich text representation. |
 | label:type        | string                           | Type                       | **REQUIRED** An ENUM of either `vector` label type or `raster` label type |
 | label:tasks       | \[string]                        | Task                       | Recommended to be a subset of 'regression', 'classification', 'detection', or 'segmentation', but may be an arbitrary value |
 | label:methods     | \[string]                        | Method                     | Recommended to be a subset of 'automated' or 'manual', but may be an arbitrary value. |

extensions/processing/README.md

@@ -23,7 +23,7 @@ This extension applies to STAC Items and STAC Collections. As these processing i
 
 | Field Name              | Type                | Description |
 | ----------------------- | ------------------- | ----------- |
-| processing:lineage      | string              | Lineage Information provided as free text information about the how observations were processed or models that were used to create the resource being described [NASA ISO](https://wiki.earthdata.nasa.gov/display/NASAISO/Lineage+Information). For example, `GRD Post Processing` for "GRD" product of Sentinel-1 satellites. |
+| processing:lineage      | string              | Lineage Information provided as free text information about the how observations were processed or models that were used to create the resource being described [NASA ISO](https://wiki.earthdata.nasa.gov/display/NASAISO/Lineage+Information). For example, `GRD Post Processing` for "GRD" product of Sentinel-1 satellites. [CommonMark 0.29](https://commonmark.org/) syntax MAY be used for rich text representation. |
 | processing:level        | string              | The name commonly used to refer to the processing level to make it easier to search for product level across collections or items. The short name must be used (only `L`, not `Level`). See the [list of suggested processing levels](#suggested-processing-levels). |
 | processing:facility     | string              | The name of the facility that produced the data. For example, `Copernicus S1 Core Ground Segment - DPA` for product of Sentinel-1 satellites. |
 | processing:software     | Map<string, string> | A dictionary with name/version for key/value describing one or more softwares that produced the data. For example, `"Sentinel-1 IPF":"002.71"` for the software that produces Sentinel-1 satellites data. |