Documentation - some code samples without syntax highlighting

EAP only

The following code examples are without syntax highlighting in both HTML and PDF version of the docs:

1.1, 1.2, 1.3, 1.11, 1.14, 1.17, 1.20, 1.23, 1.24, 1.25, 1.26, 1.27, 1.28, 1.29, 1.30, 1.31