diff --git a/src/MiniDocs/Markdown.class.st b/src/MiniDocs/Markdown.class.st
index 9db6cd5..21864d6 100644
--- a/src/MiniDocs/Markdown.class.st
+++ b/src/MiniDocs/Markdown.class.st
@@ -62,7 +62,7 @@ Markdown >> contents [
 	response
 		nextPutAll: '---'; cr;
 		nextPutAll: self metadataAsYAML; cr;
-		nextPutAll: '---'; cr;
+		nextPutAll: '---'; cr; cr;
 		nextPutAll: self body.
 	^ response contents
 ]
@@ -72,16 +72,6 @@ Markdown >> contents: aString [
 	body := aString
 ]
 
-{ #category : #accessing }
-Markdown >> contentsWithoutYAMLMetadata [
-	| newContents |
-	self detectYAMLMetadata ifFalse: [ ^ self ].
-	newContents := '' writeStream.
-	(self lines copyFrom: self yamlMetadataClosingLineNumber + 2 to: self lines size) do: [ :line |
-		newContents nextPutAll: line; cr ].
-	^ newContents contents.
-]
-
 { #category : #accessing }
 Markdown >> documentTree [
 	| parser|
@@ -153,17 +143,14 @@ Markdown >> file: aFileReference [
 
 { #category : #'instance creation' }
 Markdown >> fromFile: aFileReference [
-	self contents: aFileReference contents.
+	self fromString: aFileReference contents.
 	self file: aFileReference.
-	self yamlMetadata.
-	self body: self contentsWithoutYAMLMetadata
 ]
 
 { #category : #'instance creation' }
 Markdown >> fromString: markdownString [
-	self contents: markdownString.
-	self yamlMetadata.
-	self contents: self contentsWithoutYAMLMetadata
+	self metadata: markdownString yamlMetadata.
+	self body: markdownString contentsWithoutYAMLMetadata
 ]
 
 { #category : #accessing }
diff --git a/src/MiniDocs/MarkupFile.class.st b/src/MiniDocs/MarkupFile.class.st
index 63b6016..1a95f1e 100644
--- a/src/MiniDocs/MarkupFile.class.st
+++ b/src/MiniDocs/MarkupFile.class.st
@@ -16,8 +16,8 @@ MarkupFile class >> exportAsFileOn: aFileReferenceOrFileName containing: anObjec
 	file := aFileReferenceOrFileName asFileReference.
 	file ensureDelete.
 	file exists ifFalse: [ file ensureCreateFile ].
-	anObject className = String 
-		ifTrue: [ preprocessed := anObject withInternetLineEndings ]
+	 (#('String' 'ByteString' 'WideString') includes:  anObject className ) 
+		ifTrue: [ preprocessed := anObject ]
 		ifFalse: [preprocessed := STON toStringPretty: anObject ].
 	file writeStreamDo: [ :stream |
 		stream nextPutAll:  preprocessed  ].
diff --git a/src/MiniDocs/String.extension.st b/src/MiniDocs/String.extension.st
index de321c9..3352cd6 100644
--- a/src/MiniDocs/String.extension.st
+++ b/src/MiniDocs/String.extension.st
@@ -20,6 +20,16 @@ String >> asDashedLowercase [
 	^ '-' join: (self substrings collect: [:each | each asLowercase ])
 ]
 
+{ #category : #'*MiniDocs' }
+String >> contentsWithoutYAMLMetadata [
+	| newContents |
+	self detectYAMLMetadata ifFalse: [ ^ self ].
+	newContents := '' writeStream.
+	(self lines copyFrom: self yamlMetadataClosingLineNumber + 2 to: self lines size) do: [ :line |
+		newContents nextPutAll: line; cr ].
+	^ newContents contents.
+]
+
 { #category : #'*MiniDocs' }
 String >> deleteYAMLMetadata [
 	| newContents |