diff --git a/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md b/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md
index 52a542429088d86682021197dc40123930f7dd1b..012088d85fd5446d0a9ee8b103ae238179f1ac67 100644
--- a/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md
+++ b/TS-0019-Abstract_Test_Suite_&_implementation_eXtra_Information_for_Test.md
@@ -8,7 +8,7 @@
 +----------------------------------------------------------------+
 |**oneM2M** **Technical** \                                      |
 |**Specification**                                               |
-+=================+:=============================================+
++:================+:=============================================+
 |Document Number  |oneM2M-TS-0019-V-4.2.0                        |
 +-----------------+----------------------------------------------+
 |Document Name:   |Abstract Test Suite and Implementation        |
@@ -176,7 +176,7 @@ The following referenced documents are not necessary for the application of the
 
 ## 3.1 Terms
 
-For the purposes of the present document, the terms given in ISO/IEC 96461 <a href="#_ref_3">[3]</a>, ISO/IEC 96467 <a href="#_ref_5">[5]</a> and oneM2M TS-0015 <a href="#_ref_i.2">[i.2]</a> apply.
+For the purposes of the present document, _the terms_ given in ISO/IEC 96461 <a href="#_ref_3">[3]</a>, ISO/IEC 96467 <a href="#_ref_5">[5]</a> and oneM2M TS-0015 <a href="#_ref_i.2">[i.2]</a> apply.
 
 
 ## 3.2 Symbols
@@ -362,7 +362,7 @@ Adding a grid table for testing
 
 +----------------------+-------------------+-----------+-----+
 |TTCN-3 Primitive      |oneM2M Message     | Direction | IUT |
-+:========================================:+:=========:+:===:+
++:=====================+==================:+:=========:+:===:+
 |                                          | <=>       | AE  |
 | M2MRequestPrimitive Request Primitive    +-----------+-----+
 |                                          | <=>       | CSE |
@@ -373,44 +373,9 @@ Adding a grid table for testing
 +----------------------+-------------------+-----------+-----+
 
 
-
-**Table 5.4.1-1: Mapping of TTCN-3 Primitives to oneM2M Service Primitives**<a name="table_5.4.1-1"></a>
-
-<table>
-    <thead>
-        <tr>
-            <th>TTCN-3 Primitive</th>
-            <th>oneM2M Message</th>
-            <th>Direction</th>
-            <th>IUT</th>
-        </tr>
-    </thead>
-    <tbody>
-        <tr>
-            <td rowspan=2 colspan=2>M2MRequestPrimitive Request Primitive</td>
-            <td><=></td>
-            <td>AE</td>
-        </tr>
-        <tr>
-            <td><=></td>
-            <td>CSE</td>
-        </tr>
-        <tr>
-            <td rowspan=2>M2MResponsePrimitive</td>
-            <td rowspan=2>Response Primitive</td>
-            <td><=></td>
-            <td>AE</td>
-        </tr>
-        <tr>
-            <td><=></td>
-            <td>CSE</td>
-        </tr>
-    </tbody>
-</table>
-
 Adding some equations:
 
-$\left[\int_{-infty}^{\infty} f(x) \; dx\right]$
+$$\left[\int_{-infty}^{\infty} f(x) \; dx\right]$$
 
 $\log(x)$ 
 
@@ -418,6 +383,17 @@ $\lim_{x \to \infty} f(x)$
 
 $\displaystyle \frac{\partial f}{\partial x}$
 
+$\left.\frac{x^3}{3}\right|_0^1$
+
+$$\int_0^\infty \mathrm{e}^{-x}\,\mathrm{d}x$$
+
+$$ f(n) =
+  \begin{cases}
+    n/2       & \quad \text{if } n \text{ is even}\\
+    -(n+1)/2  & \quad \text{if } n \text{ is odd}
+  \end{cases}
+$$
+
 ### 5.4.2 mcnPort, mcnPortIn
 These ports are used to send and receive the following message sets:
 
@@ -436,22 +412,6 @@ Two primitives are currently defined for these ports indicated:
 
 Further primitives might be defined to support other underlying networks.
 
-**Table 5.4.1-1: Mapping of TTCN-3 Primitives to oneM2M Service Primitives**<a name="table_5.4.1-1"></a>
-
-+---------------------+------------------+----------+----+
-|TTCN-3 Primitive     |oneM2M Message    |Direction |IUT |
-+:===================:+:================:+:========:+:==:+
-|                     |                  |<=>       |AE  |
-|M2MRequestPrimitive  |Request Primitive +----------+----+
-|                     |                  |<=>       |CSE |
-+---------------------+------------------+----------+----+
-|                     |                  |<=>       |AE  |
-|M2MResponsePrimitive |Respomse Primitive+----------+----+
-|                     |                  |<=>       |CSE |
-+---------------------+------------------+----------+----+
-
-
-
 
 ### 5.4.3 mccPortInternal
 This port is used to send and receive the following message sets between TTCN-3 components: