Renders the new comment tag on highlights.

quartz/src/main/java/com/vitorpamplona/quartz/nip84Highlights/HighlightEvent.kt

@@ -31,6 +31,7 @@ import com.vitorpamplona.quartz.nip01Core.tags.references.ReferenceTag
 import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
 import com.vitorpamplona.quartz.nip22Comments.RootScope
 import com.vitorpamplona.quartz.nip31Alts.AltTag
+import com.vitorpamplona.quartz.nip84Highlights.tags.CommentTag
 import com.vitorpamplona.quartz.nip84Highlights.tags.ContextTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -50,6 +51,8 @@ class HighlightEvent(
 
     fun quote() = content
 
+    fun comment() = tags.firstNotNullOfOrNull(CommentTag::parse)
+
     fun context() = tags.firstNotNullOfOrNull(ContextTag::parse)
 
     fun inPost() = firstTaggedATag()

quartz/src/main/java/com/vitorpamplona/quartz/nip84Highlights/tags/CommentTag.kt

@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2024 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz.nip84Highlights.tags
+
+import com.vitorpamplona.quartz.nip01Core.core.has
+import com.vitorpamplona.quartz.utils.ensure
+
+class CommentTag {
+    companion object {
+        const val TAG_NAME = "comment"
+
+        @JvmStatic
+        fun parse(tag: Array<String>): String? {
+            ensure(tag.has(1)) { return null }
+            ensure(tag[0] == TAG_NAME) { return null }
+            ensure(tag[1].isNotEmpty()) { return null }
+            return tag[1]
+        }
+
+        @JvmStatic
+        fun assemble(context: String) = arrayOf(TAG_NAME, context)
+    }
+}