1 files changed, 132 insertions, 1 deletions
diff --git a/src/grammar.json b/src/grammar.json
index 6a6437c..18a4451 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -30,6 +30,10 @@
         },
         {
           "type": "SYMBOL",
+          "name": "sisu_header_field"
+        },
+        {
+          "type": "SYMBOL",
           "name": "heading"
         },
         {
@@ -125,7 +129,7 @@
         "value": 20,
         "content": {
           "type": "PATTERN",
-          "value": "# SiSU(spine)? [0-9]+(\\.[0-9]+)*\\n"
+          "value": "[#%] SiSU[^\\n]*\\n"
         }
       }
     },
@@ -272,6 +276,133 @@
         }
       }
     },
+    "sisu_header_field": {
+      "type": "PREC",
+      "value": 15,
+      "content": {
+        "type": "SEQ",
+        "members": [
+          {
+            "type": "FIELD",
+            "name": "key",
+            "content": {
+              "type": "SYMBOL",
+              "name": "sisu_header_key"
+            }
+          },
+          {
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "FIELD",
+                "name": "value",
+                "content": {
+                  "type": "SYMBOL",
+                  "name": "sisu_header_value"
+                }
+              },
+              {
+                "type": "BLANK"
+              }
+            ]
+          },
+          {
+            "type": "STRING",
+            "value": "\n"
+          },
+          {
+            "type": "REPEAT",
+            "content": {
+              "type": "SYMBOL",
+              "name": "sisu_header_continuation"
+            }
+          }
+        ]
+      }
+    },
+    "sisu_header_key": {
+      "type": "TOKEN",
+      "content": {
+        "type": "PREC",
+        "value": 15,
+        "content": {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "STRING",
+              "value": "@title:"
+            },
+            {
+              "type": "STRING",
+              "value": "@creator:"
+            },
+            {
+              "type": "STRING",
+              "value": "@date:"
+            },
+            {
+              "type": "STRING",
+              "value": "@rights:"
+            },
+            {
+              "type": "STRING",
+              "value": "@classify:"
+            },
+            {
+              "type": "STRING",
+              "value": "@identifier:"
+            },
+            {
+              "type": "STRING",
+              "value": "@original:"
+            },
+            {
+              "type": "STRING",
+              "value": "@notes:"
+            },
+            {
+              "type": "STRING",
+              "value": "@links:"
+            },
+            {
+              "type": "STRING",
+              "value": "@links:+"
+            },
+            {
+              "type": "STRING",
+              "value": "@make:"
+            },
+            {
+              "type": "STRING",
+              "value": "@publisher:"
+            },
+            {
+              "type": "STRING",
+              "value": "@language:"
+            },
+            {
+              "type": "STRING",
+              "value": "@vocabulary:"
+            }
+          ]
+        }
+      }
+    },
+    "sisu_header_value": {
+      "type": "PATTERN",
+      "value": "[ \\t]+[^\\n]*"
+    },
+    "sisu_header_continuation": {
+      "type": "TOKEN",
+      "content": {
+        "type": "PREC",
+        "value": 15,
+        "content": {
+          "type": "PATTERN",
+          "value": " +[^ \\n][^\\n]*\\n"
+        }
+      }
+    },
     "heading": {
       "type": "PREC",
       "value": 18,