Add variable to allow configuration of removal of extra spaces.

Author: SergioEstevao

Aztec/Classes/Libxml2/DOM/Data/TextNode.swift

@@ -7,6 +7,8 @@ public class TextNode: Node {
 
     let contents: String
 
+    let shouldRemoveExtraSpaces: Bool = false
+
     // MARK: - CustomReflectable
 
     override public var customMirror: Mirror {
@@ -92,10 +94,15 @@ extension TextNode {
         // U+000A, which is non-breaking space.  We need to maintain it.
         //
         let whitespace = CharacterSet.whitespacesAndNewlines
-        let whitespaceToKeep = CharacterSet(charactersIn: String(.nonBreakingSpace)+String(.lineSeparator))
+        var whitespaceToKeep = CharacterSet(charactersIn: String(.nonBreakingSpace)+String(.lineSeparator))
+        if ( !shouldRemoveExtraSpaces ) {
+            whitespaceToKeep.insert(charactersIn: String(.space))
+        }
         let whitespaceToRemove = whitespace.subtracting(whitespaceToKeep)
-        
         let trimmedText = text.trimmingCharacters(in: whitespaceToRemove)
+        if ( !shouldRemoveExtraSpaces ) {
+            return trimmedText
+        }
         var singleSpaceText = trimmedText
         let doubleSpace = "  "
         let singleSpace = " "
@@ -116,7 +123,6 @@ extension TextNode {
     /// - Returns: true if sanitization should happen, false otherwise
     ///
     private func shouldSanitizeText() -> Bool {
-        return false
-        //return !hasAncestor(ofType: .pre)
+        return !hasAncestor(ofType: .pre)
     }
 }