Some additional fixes

dataforge-io/src/commonMain/kotlin/hep/dataforge/io/Binary.kt

@@ -7,7 +7,6 @@ import kotlinx.io.core.readBytes
 /**
  * A source of binary data
  */
-
 interface Binary {
     /**
      * The size of binary in bytes

dataforge-io/src/commonTest/kotlin/hep/dataforge/io/MetaFormatTest.kt

@@ -1,7 +1,9 @@
 package hep.dataforge.io
 
+import hep.dataforge.meta.Meta
 import hep.dataforge.meta.buildMeta
 import hep.dataforge.meta.get
+import hep.dataforge.meta.seal
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -34,6 +36,8 @@ class MetaFormatTest {
         val string = meta.toString(JsonMetaFormat)
         val result = JsonMetaFormat.parse(string)
 
+        assertEquals<Meta>(meta, meta.seal())
+
         meta.items.keys.forEach {
             if (meta[it] != result[it]) error("${meta[it]} != ${result[it]}")
         }

dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Meta.kt

@@ -16,14 +16,10 @@ import hep.dataforge.values.boolean
  */
 sealed class MetaItem<out M : Meta> {
     data class ValueItem(val value: Value) : MetaItem<Nothing>(){
-        override fun toString(): String = value.string
+        override fun toString(): String = value.toString()
     }
     data class NodeItem<M : Meta>(val node: M) : MetaItem<M>(){
         override fun toString(): String = node.toString()
-
-        override fun equals(other: Any?): Boolean {
-            return this.node == (other as? NodeItem<*>).node
-        }
     }
 }
 

dataforge-meta/src/commonMain/kotlin/hep/dataforge/values/Value.kt

@@ -188,7 +188,7 @@ class ListValue(override val list: List<Value>) : Value {
     override val number: Number get() = list.first().number
     override val string: String get() = list.first().string
 
-    override fun toString(): String = value.toString()
+    override fun toString(): String = list.joinToString (prefix = "[ ", postfix = " ]")
 
     override fun equals(other: Any?): Boolean {
         if (this === other) return true

dataforge-output-html/src/commonMain/kotlin/hep/dataforge/output/html/HtmlOutput.kt

@@ -27,8 +27,7 @@ class HtmlOutput<T : Any>(override val context: Context, private val consumer: T
         } else {
             val value = cache[obj::class]
             if (value == null) {
-                val answer = context.top<HtmlBuilder<*>>().values
+                val answer = context.top<HtmlBuilder<*>>(HTML_CONVERTER_TYPE).values.firstOrNull { it.type.isInstance(obj) }
-                    .filter { it.type.isInstance(obj) }.firstOrNull()
                 if (answer != null) {
                     cache[obj::class] = answer
                     answer

dataforge-scripting/src/commonMain/kotlin/hep/dataforge/scripting/Placeholder.kt

@@ -0,0 +1,4 @@
+package hep.dataforge.scripting
+
+internal object Placeholder {
+}