diff --git a/image/image.view.tree b/image/image.view.tree
index cd0b4f39f7b..548f51e24d4 100644
--- a/image/image.view.tree
+++ b/image/image.view.tree
@@ -9,8 +9,8 @@ $mol_image $mol_view
 		crossOrigin <= cors null
 	attr *any
 		^
-		width <= natural_width? 0
-		height <= natural_height? 0
+		width <= natural_width 0
+		height <= natural_height 0
 	event *any
 		load? <=> load? null
 	minimal_width 16
diff --git a/image/image.view.ts b/image/image.view.ts
index 53720f36bcb..c45da324ad0 100644
--- a/image/image.view.ts
+++ b/image/image.view.ts
@@ -2,24 +2,24 @@ namespace $.$$ {
 	export class $mol_image extends $.$mol_image {
 		
 		@ $mol_mem
-		natural_width( next?: null | number ) {
+		natural_width( next?: null ) {
 			
 			const dom = this.dom_node() as HTMLImageElement
 			if( dom.naturalWidth ) return dom.naturalWidth
 			
 			const found = this.uri().match( /\bwidth=(\d+)/ )
-			return found ? Number( found[1] ) : null! 
+			return found ? Number( found[1] ) : null!
 			
 		}
 		
 		@ $mol_mem
-		natural_height( next?: null | number ) {
+		natural_height( next?: null ) {
 			
 			const dom = this.dom_node() as HTMLImageElement
 			if( dom.naturalHeight ) return dom.naturalHeight
 			
 			const found = this.uri().match( /\bheight=(\d+)/ )
-			return found ? Number( found[1] ) : null! 
+			return found ? Number( found[1] ) : null!
 			
 		}
 		
diff --git a/view/tree2/class/props.test.ts b/view/tree2/class/props.test.ts
index c0c2198bc15..05da69ff9d5 100644
--- a/view/tree2/class/props.test.ts
+++ b/view/tree2/class/props.test.ts
@@ -10,16 +10,16 @@ namespace $.$$ {
 					sub /
 						<= title
 				<= Close ${d}mol_button
-					title \close
+					title \\close
 					click?event <=> close?event null
-			Some* ${d}mol_speech
-				Text => f
-					g => h
+			Dog ${d}mol_view_tree2_class_test_dog
+				Mouth => Dog_mouth
+					animation => dog_animation
 			plugins /
-				<= Speech ${d}mol_speech
-					Text => a
-						b => c
-							d => e
+				<= Human* ${d}mol_view_tree2_class_test_human
+					Mouth => Human_mouth
+						animation => human_animation
+							text => human_text
 	`
 	/*
 	class A {
@@ -38,35 +38,20 @@ namespace $.$$ {
 		sub /
 			<= Title
 			<= Close
-		Some* ${d}mol_speech
-			Text => f
-				g => h
-		plugins / <= Speech
+		Dog $mol_view_tree2_class_test_dog Mouth => Dog_mouth animation => dog_animation
+		plugins / <= Human*
 		Сlose_icon ${d}mol_icon_cross
 		Title ${d}mol_view sub / <= title
 		close?event null
 		Close ${d}mol_button
-			title \close
+			title \\close
 			click?event <=> close?event
-		f =
-			Some* ${d}mol_speech Text => f g => h
-			Text
-		h =
-			f
-			g
-		a =
-			Speech ${d}mol_speech Text => a b => c d => e
-			Text
-		c =
-			a
-			b
-		e =
-			c
-			d
-		Speech ${d}mol_speech
-			Text => a
-				b => c
-					d => e
+		Dog_mouth = Dog Mouth
+		dog_animation = Dog_mouth animation
+		Human_mouth = Human* Mouth
+		human_animation = Human_mouth animation
+		human_text = human_animation text
+		Human* $mol_view_tree2_class_test_human Mouth => Human_mouth animation => human_animation text => human_text
 	`, 'reference')
 
 	$mol_test({
diff --git a/view/tree2/class/props.ts b/view/tree2/class/props.ts
index 47cef231bd6..b42fbad4fef 100644
--- a/view/tree2/class/props.ts
+++ b/view/tree2/class/props.ts
@@ -58,14 +58,15 @@ namespace $ {
 
 					add_inner(right.clone([
 						right.struct('=', [
-							context.factory,
-							left.clone([])
+							context.factory.clone([ left.clone([]) ]),
 						]),
 					]))
 				}
 
 				if (right) context = { factory: right.clone([]) }
-				else if( operator && ! context.factory && $mol_view_tree2_class_match( operator ) ) context = { factory: left }
+				else if( operator && ! context.factory && $mol_view_tree2_class_match( operator ) ) {
+					context = { factory: left.clone([]) }
+				}
 
 				return [ left.clone( left.hack( belt, context ) ) ]
 
diff --git a/view/tree2/to/dts/dts.ts b/view/tree2/to/dts/dts.ts
index 36ec4c49c49..b89da687115 100644
--- a/view/tree2/to/dts/dts.ts
+++ b/view/tree2/to/dts/dts.ts
@@ -52,14 +52,20 @@ namespace $ {
 		]
 	}
 
-	function parameters(this: $, klass: $mol_tree2, input: $mol_tree2) {
-		return [
+	function parameters(this: $, klass: $mol_tree2, input: $mol_tree2, pick_index?: number) {
+		const result = [
 			input.data( 'Parameters< ' ),
 			klass,
 			input.data( '[\'' ),
 			name_of.call(this,  input ),
 			input.data( `'] >`),
 		]
+
+		if (pick_index !== undefined) {
+			result.push(input.data(`[${pick_index}]`))
+		}
+
+		return result
 	}
 
 	function primitive_type(input: $mol_tree2) {
@@ -131,6 +137,7 @@ namespace $ {
 						'<=>': (input) => return_type.call(this, klass.data( klass.type ), this.$mol_view_tree2_child(input)),
 						'<=': (input) => return_type.call(this, klass.data( klass.type ), this.$mol_view_tree2_child(input)),
 						'=>': () => [],
+
 						'^': (input) => {
 							const host = input.kids.length ? klass : parent
 							return return_type.call(
@@ -139,8 +146,11 @@ namespace $ {
 								input.kids.length ? input.kids[0] : prop
 							)
 						},
+
 						'=': (input) => {
-							const [ left, right ] = input.kids
+							const left = input.kids[0]
+							const right = left.kids[0]
+
 							const left_parts = this.$mol_view_tree2_prop_parts(left)
 							const right_parts = this.$mol_view_tree2_prop_parts(right)
 
@@ -151,52 +161,45 @@ namespace $ {
 
 							if (conflict) {
 								this.$mol_fail(err`Only one "${conflict}" allowed: ${
-									left_parts[conflict]} at ${left.span} or ${right_parts[conflict]} at ${right.span}`)
+									left_parts[conflict]} at ${left.span} or ${
+										right_parts[conflict]} at ${right.span}`)
 							}
 
 							const main = klass.data(klass.type)
 							const prop_parts = this.$mol_view_tree2_prop_parts(prop)
 							const method = prop.data(`${ klass.type }_${prop_parts.name}`)
+							const second_main = left_parts.key || left_parts.next ? main : left.struct('line',
+								return_type.call(this, main, left)
+							)
+							const second_key = left_parts.next || left_parts.key ? left : right
+
+							if (prop_parts.key) {
+								types.push( type_enforce.call(
+									this,
+									method,
+									parameters.call(this, main, prop, 0),
+									parameters.call(this, second_main, second_key, 0),
+								) )
+							}
 
-							if (prop_parts.key || prop_parts.next) {
-								const prop_params = parameters.call(this, main, prop)
-
-								const host = left.kids.length > 0
-									? left.kids[0].data(left.kids[0].type)
-									: undefined
-
-								if (prop_parts.key) {
-									const second_key = left_parts.key ? left : right
-									types.push( type_enforce.call(
-										this,
-										method,
-										[ ...prop_params, prop.data('[0]') ],
-										[ ...parameters.call(this, right_parts.key && host ? host : main, second_key), second_key.data('[0]') ],
-									) )
-								}
-
-								if (prop_parts.next) {
-									const second_next = left_parts.next ? left : right
-									const second_parts = left_parts.next ? left_parts : right_parts
-
-									types.push( type_enforce.call(
-										this,
-										method,
-										[ ...prop_params, prop.data(`[${prop_parts.key ? '1' : '0'}]`) ],
-										[ ...parameters.call(this, right_parts.next && host ? host : main, second_next), 
-											second_next.data(`[${second_parts.key ? '1' : '0'}]`) ],
-									) )
-								}
+							if (prop_parts.next) {
+								types.push( type_enforce.call(
+									this,
+									method,
+									parameters.call(this, main, prop, prop_parts.key ? 1 : 0),
+									parameters.call(this, second_main, second_key, (left_parts.next ? left_parts : right_parts).key ? 1 : 0),
+								) )
 							}
 
 							return return_type.call(
 								this,
 								left.struct('line',
-									return_type.call(this, main, name_of.call(this, left))
+									return_type.call(this, main, left)
 								),
 								name_of.call(this, right),
 							)
 						},
+
 						'': ( input, belt, context )=> {
 
 							if (input.type[0] === '*') {
diff --git a/view/tree2/to/js/js.ts b/view/tree2/to/js/js.ts
index 354c7d36828..4d4102f2a9d 100644
--- a/view/tree2/to/js/js.ts
+++ b/view/tree2/to/js/js.ts
@@ -21,6 +21,12 @@ namespace $ {
 		return params_of.call(this, prop, bidi)
 	}
 
+	function call_method_name(this: $, child: $mol_tree2) {
+		return child.struct( '[]', [
+			child.data( name_of.call( this, child ) )
+		] )
+	}
+
 	function call_of(this: $, bind: $mol_tree2, bidi = true) {
 		if( bind.kids.length === 0 ) {
 			return this.$mol_fail(
@@ -32,7 +38,7 @@ namespace $ {
 
 		for (const child of bind.kids) {
 			chain.push(
-				bind.struct( '[]', [ child.data( name_of.call( this, child ) ) ] ),
+				call_method_name.call(this, child),
 				params_of.call(this, child, bidi),
 			)
 		}
@@ -113,8 +119,14 @@ namespace $ {
 				] ),
 			],
 
-			'=': bind => [ call_of.call(this, bind, true) ],
-			
+			'=': bind => [ bind.struct( '()', [
+					bind.struct( 'this' ),
+					call_method_name.call(this, bind.kids[0]),
+					params_of.call(this, bind.kids[0]),
+					call_method_name.call(this, bind.kids[0].kids[0]),
+					params_of.call(this, bind.kids[0].kids[0]),
+			] ) ],
+				
 			'': ( input, belt, context )=> {
 
 				if( input.type[0] === '*' ) {