diff --git a/JsonPreprocessor/JsonPreprocessor.pdf b/JsonPreprocessor/JsonPreprocessor.pdf
index fb58dd65..6b0dfab9 100644
Binary files a/JsonPreprocessor/JsonPreprocessor.pdf and b/JsonPreprocessor/JsonPreprocessor.pdf differ
diff --git a/JsonPreprocessor/version.py b/JsonPreprocessor/version.py
index 912f823f..63175f97 100644
--- a/JsonPreprocessor/version.py
+++ b/JsonPreprocessor/version.py
@@ -19,5 +19,5 @@
 # Version and date of JsonPreprocessor
 #
 VERSION      = "0.3.0"
-VERSION_DATE = "12.09.2023"
+VERSION_DATE = "19.09.2023"
 
diff --git a/packagedoc/additional_docs/History.tex b/packagedoc/additional_docs/History.tex
index ea46b49c..c5179de2 100644
--- a/packagedoc/additional_docs/History.tex
+++ b/packagedoc/additional_docs/History.tex
@@ -12,15 +12,25 @@
 % See the License for the specific language governing permissions and
 % limitations under the License.
 
-\begin{center}
-\begin{tabular}{| m{6em} | m{26em} |}\hline
-    \textbf{0.1.0} & 01/2022\\ \hline
-    \multicolumn{2}{| m{32em} |}{\textit{Initial version}}\\ \hline
-    \textbf{0.1.4} & 09/2022\\ \hline
-    \multicolumn{2}{| m{32em} |}{\textit{Updated documentation}}\\ \hline
-    \textbf{0.2.3} & 05/2023\\ \hline
-    \multicolumn{2}{| m{32em} |}{\textit{Added dotdict format}}\\ \hline
-    \textbf{0.2.4} & 06/2023\\ \hline
-    \multicolumn{2}{| m{32em} |}{\textit{Improved dotdict format and update log output}}\\ \hline
-\end{tabular}
-\end{center}
+\begin{packagehistory}
+
+\historyversiondate{0.1.0}{01/2022}
+\historychange{Initial version}
+
+\historyversiondate{0.1.4}{09/2022}
+\historychange{Documentation updated}
+
+\historyversiondate{0.2.3}{05/2023}
+\historychange{dotdict format added}
+
+\historyversiondate{0.2.4}{06/2023}
+\historychange{Maintenance of dotdict format and log output}
+
+\historyversiondate{0.3.0}{09/2023}
+\historychange{- Implicit creation of data structures\newline
+- Dotdict feature bug fixing\newline
+- Update nested parameters handling in key name and value\newline
+- Nested parameter feature bug fixing\newline
+- Nested parameters substitution and overwriting improvement}
+
+\end{packagehistory}
diff --git a/packagedoc/additional_docs/The JSONP format.tex b/packagedoc/additional_docs/The JSONP format.tex
index 9b817c52..a24ece51 100644
--- a/packagedoc/additional_docs/The JSONP format.tex	
+++ b/packagedoc/additional_docs/The JSONP format.tex	
@@ -471,9 +471,10 @@ \section{Overwrite parameters}
 
 \begin{itemize}
    \item Existing parameters are accessed by a dollar operator and a pair of curly brackets (\pcode{$\{...\}}) with the parameter name inside.
-   \item If the entire expression of the right hand side of the colon is such a dollar operator expression, the entire expression must \textit{not}
-         be encapsulated in quotes. 
-   \item The dollar operator keeps the data type of the referenced parameter.
+   \item If the entire expression of the right hand side of the colon is such a dollar operator expression, it is not required any more
+         to encapsulate this expression in quotes.
+   \item Without quotes, the dollar operator keeps the data type of the referenced parameter. If you use quotes, the value of the used parameter
+         will be of type \pcode{str}.
 \end{itemize}
 
 \textbf{Outcome:}
@@ -513,8 +514,8 @@ \section{Overwrite parameters}
 
 \newpage
 
-Like mentioned in the rules above, dollar operator expressions must \textit{not} be encapsulated in quotes.
-But nevertheless it is possible to use quotes. In case of:
+Like mentioned in the rules above, it is not required any more to encapsulate dollar operator expressions at the right hand side of the
+colon in quotes. But nevertheless it is possible to use quotes. In case of:
 
 \begin{pythoncode}
 "int_val_b"            : "${int_val}",
@@ -538,10 +539,6 @@ \section{Overwrite parameters}
 }
 \end{pythoncode}
 
-\textbf{!!! CAUTION}:
-\href{https://github.com/test-fullautomation/python-jsonpreprocessor/issues/85}{issues/85}
-\textbf{!!!}
-
 \textbf{Outcome:}
 
 \vspace{2ex}
@@ -576,7 +573,7 @@ \section{Overwrite parameters}
 \end{pythoncode}
 
 The dollar operator syntax at the left hand side of the colon is the same than previously used on the right hand side.
-The entire expression must \textit{not} be encapsulated in quotes.
+The entire expression at the left hand side of the colon must \textit{not} be encapsulated in quotes in this case.
 
 \textbf{Outcome:}
 
@@ -806,9 +803,6 @@ \section{\texttt{dotdict} notation}
 }
 \end{pythoncode}
 
-\textbf{!!! Caution:} dotdict bug:
-\href{https://github.com/test-fullautomation/python-jsonpreprocessor/issues/89}{issues/89} \textbf{!!!}
-
 \newpage
 
 \textbf{Outcome:}
@@ -873,9 +867,6 @@ \section{Substitution of dollar operator expressions}
  'version': 1.23}
 \end{pythonlog}
 
-\textbf{!!! Caution:} substitution bug:
-\href{https://github.com/test-fullautomation/python-jsonpreprocessor/issues/91}{issues/91} \textbf{!!!}
-
 \textit{We recommend to use simple data types for this kind of substitution only!}
 
 But nevertheless, on the right hand side of the colon also composite data types are possible. Here it might makes sense to use them.