Fix keyval funtion: pandoc did not parse options in braces correctly.… (#3642)

* Fix keyval funtion: pandoc did not parse options in braces correctly. Additionally, dot, dash, and colon were no valid characters

* Add | as possible option value

* Improved code

1 files changed, 25 insertions, 0 deletions

diff --git a/test/command/lstlisting.md b/test/command/lstlisting.md
new file mode 100644
index 000000000..d928cc702
--- /dev/null
+++ b/test/command/lstlisting.md
@@ -0,0 +1,25 @@
+```
+% pandoc -f latex -t native
+\begin{lstlisting}[language=Java, caption={Java Example}, label=lst:Hello-World]
+public class World {
+    public static void main(String[] args) {
+        System.out.println("Hello World");
+    }
+}
+\end{lstlisting}
+^D
+[CodeBlock ("lst:Hello-World",["java"],[("language","Java"),("caption","Java Example"),("label","lst:Hello-World")]) "public class World {\n    public static void main(String[] args) {\n        System.out.println(\"Hello World\");\n    }\n}"]
+```
+
+```
+% pandoc -f latex -t native
+\begin{lstlisting}[language=Java, escapechar=|, caption={Java Example}, label=lst:Hello-World]
+public class World {
+    public static void main(String[] args) {
+        System.out.println("Hello World");
+    }
+}
+\end{lstlisting}
+^D
+[CodeBlock ("lst:Hello-World",["java"],[("language","Java"),("escapechar","|"),("caption","Java Example"),("label","lst:Hello-World")]) "public class World {\n    public static void main(String[] args) {\n        System.out.println(\"Hello World\");\n    }\n}"]
+```