Fixes issue with spacing.

src/main/java/de/monticore/lang/monticar/mpp/montimath/TeXMathPrettyPrinter.java

@@ -10,6 +10,7 @@ import de.monticore.lang.monticar.types2._ast.ASTDimension;
 import de.monticore.lang.monticar.types2._ast.ASTElementType;
 import de.monticore.lang.matrixexpressions._ast.*;
 import de.monticore.numberunit._ast.ASTTimeDiv;
+import de.monticore.numberunit._ast.ASTUnitBaseDimWithPrefix;
 
 public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathStructuredVisitor {
     protected boolean needsParenthesis;
@@ -22,7 +23,7 @@ public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathSt
 
     @Override
     public void visit(ASTElementType node) {
-        String printedNode = String.format("\\mathbb{%s}", node.getName());
+        String printedNode = String.format("\\mathbb{%s}\\;", node.getName());
 
         this.printer.print(printedNode);
     }
@@ -67,9 +68,9 @@ public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathSt
     public void revisit(ASTMathAssignmentDeclarationStatement node) {
         String printedNode = String.format("\\text{%s}", node.getName());
 
-        this.printer.print("~");
+        //this.printer.print("~");
         this.printer.print(printedNode);
-        this.printer.print("~");
+        //this.printer.print("~");
     }
 
     @Override
@@ -80,7 +81,7 @@ public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathSt
             this.printer.print(printedNode);
         }
 
-        this.printer.print("~");
+        //this.printer.print("~");
     }
 
     @Override
@@ -90,7 +91,7 @@ public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathSt
 
     @Override
     public void endVisit(ASTMathDeclarationStatement node) {
-        this.printer.print("~");
+        //this.printer.print("~");
         this.printer.print(node.getName());
         this.printSemicolon();
         this.printer.println();
@@ -100,10 +101,12 @@ public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathSt
     public void visit(ASTTimeDiv node) {
         //TODO: Create LaTeX
         if (node.isPresentIsDiv()) {
+            this.printer.print("\\;");
             this.printer.print(node.getIsDiv());
         }
 
         if (node.isPresentIsTime()) {
+            this.printer.print("\\;");
             this.printer.print("\\cdot");
         }
     }
@@ -271,4 +274,10 @@ public class TeXMathPrettyPrinter extends MathPrettyPrinter implements TeXMathSt
 
         this.printer.print(printedNode);
     }
+
+    @Override
+    public void visit(ASTUnitBaseDimWithPrefix node) {
+        this.printer.print("\\;");
+        this.printer.print(node.getName());
+    }
 }