Made minimizer more presize

Backend-libXML/Parser.py

@@ -7,10 +7,16 @@ def prettify(source: str) -> str:
 
 def minimize(source: str) -> str:
     result = source
-    result = result.replace("   ", "")
-    result = result.replace("  ", "")
-    result = result.replace("\t", "")
-    result = result.replace("\n", "")
+    
+    to_remove = ["   ", "  ", "\t", "\n"]
+    to_substitute = [(" <", "<"), ("> ", ">"), ("</ ", "</")]
+    
+    for chars in to_remove:
+        result = result.replace(chars, "")
+    
+    for e in to_substitute:
+        result = result.replace(e[0], e[1])
+    
     return result