Fix persistent bug with sat-demo updates

README.md

@@ -10,6 +10,7 @@
 ## Table of Contents
 
 * [Introduction](#introduction)
+* [Requirements](#requirements)
 * [Features](#features)
 * [About DataForge](#about-dataforge)
 * [Modules contained in this repository](#modules-contained-in-this-repository)
@@ -34,6 +35,9 @@ Other applications including 2D plots are planned for the future.
 The project is developed as a [Kotlin multiplatform](https://kotlinlang.org/docs/reference/multiplatform.html) 
 application, currently targeting browser JavaScript and JVM.
 
+## Requirements
+
+JVM backend requires JDK 11 or later
 
 ## Features
 

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionBase.kt

@@ -86,7 +86,9 @@ public open class VisionBase(internal var properties: Config? = null) : Vision {
         if (inherit) {
             yield(parent?.getProperty(name, inherit, includeStyles, includeDefaults))
         }
+        if (includeDefaults) {
             yield(descriptor?.get(name)?.defaultItem())
+        }
     }.merge()
 
     override fun setProperty(name: Name, item: MetaItem?, notify: Boolean) {

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionChange.kt

@@ -82,7 +82,7 @@ private fun CoroutineScope.collectChange(
 
     //Collect properties change
     source.onPropertyChange(this) { propertyName ->
-        val newItem = source.getProperty(propertyName, inherit = false, includeStyles = false, includeDefaults = false)
+        val newItem = source.getOwnProperty(propertyName)
         collector().propertyChanged(name, propertyName, newItem)
     }
 

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/VisionTagConsumer.kt

@@ -12,7 +12,7 @@ import kotlinx.html.*
  * A placeholder object to attach inline vision builders.
  */
 @DFExperimental
-public class VisionOutput @PublishedApi internal constructor(){
+public class VisionOutput @PublishedApi internal constructor() {
     public var meta: Meta = Meta.EMPTY
 
     public inline fun meta(block: MetaBuilder.() -> Unit) {
@@ -104,6 +104,6 @@ public abstract class VisionTagConsumer<R>(
         public const val OUTPUT_ENDPOINT_ATTRIBUTE: String = "data-output-endpoint"
         public const val DEFAULT_ENDPOINT: String = "."
 
-        public  const val DEFAULT_VISION_NAME = "vision"
+        public const val DEFAULT_VISION_NAME: String = "vision"
     }
 }