fix: link in plan line parses correctly as paragraph

Author: emiasims

corpus/basic.tst

@@ -2133,3 +2133,20 @@ Plan.15  - Expr
         (timestamp
           (date)
           (expr))))))
+
+================================================================================
+Plan.16  - Link
+================================================================================
+* a
+[[b]]
+--------------------------------------------------------------------------------
+
+(document
+  (section
+    (headline
+      (stars)
+      (item
+        (expr)))
+    (body
+      (paragraph
+        (expr)))))

grammar.js

@@ -174,7 +174,7 @@ org_grammar = {
       alias(/\p{N}?\p{N}[:.]\p{N}\p{N}( ?\p{L}{1,2})?-\p{N}?\p{N}[:.]\p{N}\p{N}( ?\p{L}{1,2})?/, $.duration),
       alias(/[.+]?\+\p{N}+\p{L}/, $.repeat),
       alias(/--?\p{N}+\p{L}/, $.delay),
-      alias(prec(-1, /[^\]>\p{Z}\n\r]+/), $.expr),
+      alias(prec(-1, /[^\[<\]>\p{Z}\n\r]+/), $.expr),
     ),
 
     paragraph: $ => seq(optional($._directive_list), $._multiline_text),

src/grammar.json

@@ -842,7 +842,7 @@
             "value": -1,
             "content": {
               "type": "PATTERN",
-              "value": "[^\\]>\\p{Z}\\n\\r]+"
+              "value": "[^\\[<\\]>\\p{Z}\\n\\r]+"
             }
           },
           "named": true,