input: Add EDTF as an alternative date representation

This adds EDTF, part of ISO 8601-2, as an alernative to the current, more verbose, representation.
citation-style-language · Jun 29, 2020 · 69b4e49 · 69b4e49
1 parent c982ed4
commit 69b4e49
Showing 1 changed file with 21 additions and 3 deletions.
diff --git a/schemas/input/csl-data.json b/schemas/input/csl-data.json
@@ -422,9 +422,14 @@
         "title": "Custom key-value pairs.",
         "type": "object",
         "description": "Used to store additional information that does not have a designated CSL JSON field. The note field can also store additional information, but custom is preferred for storing key-value pairs.",
-        "examples" : [
-          {"short_id": "xyz", "other-ids": ["alternative-id"]},
-          {"metadata-double-checked": true}
+        "examples": [
+          {
+            "short_id": "xyz",
+            "other-ids": ["alternative-id"]
+          },
+          {
+            "metadata-double-checked": true
+          }
         ]
       }
     },
@@ -468,8 +473,18 @@
         }
       ]
     },
+    "edtf-datatype": {
+      "title": "EDTF datatype pattern",
+      "description": "CSL input supports EDTF, validated against this regular expression.",
+      "type": "string"
+    },
     "date-variable": {
+      "title": "Date content model.",
+      "description": "The CSL input model supports two different date representations: an EDTF string, and a more structured equivalent.",
       "anyOf": [
+        {
+          "$ref": "#/definitions/edtf-datatype"
+        },
         {
           "properties": {
             "date-parts": {
@@ -496,6 +511,9 @@
             },
             "raw": {
               "type": "string"
+            },
+            "edtf": {
+              "$ref": "#/definitions/edtf-datatype"
             }
           },
           "additionalProperties": false