+-> # Supported markdown formatting <-
+
+You can also use [pandoc](http://pandoc.org/demo/example9/pandocs-markdown.html)'s fenced code block
+extension. Use at least three ~ chars to open and
+at least as many or more ~ for closing.
+
+\~~~ {.numberLines}
+\int main(int argc, char \*argv[]) {
+\ printf("%s\\n", "Hello world!");
+\}
+\~~~~~~~~~~~~~~~~~~
+
+becomes
+
+~~~ {.numberLines}
+int main(int argc, char *argv[]) {
+ printf("%s\n", "Hello world!");
+}
+~~~~~~~~~~~~~~~~~~
+
+Pandoc attributes (like ".numberlines" etc.)
+will be ignored
+
+-------------------------------------------------
+
+-> # Supported markdown formatting <-
+
+You can also use [github](https://guides.github.com/features/mastering-markdown/#GitHub-flavored-markdown) flavored markdown's
+code block. Use at least three backticks to open
+and at least as many or more backticks for closing.
+
+\```
+\int main(int argc, char \*argv[]) {
+\ printf("%s\\n", "Hello world!");
+\}
+\```
+
+becomes
+
+```
+int main(int argc, char *argv[]) {
+ printf("%s\n", "Hello world!");
+}
+```
+
+Language hint will be ignored
+
+-------------------------------------------------
+
+-> # Supported markdown formatting <-