A Pygments lexer for Streams and Iteration In A Single-Assignment Language (SISAL).
LaTeX screenshot (lovelace style):

Terminal screenshot (lovelace style):
Either run pip install pygments-sisal or git clone this repository and run
python setup.py install from the command line.
The setup script installs the necessary entry point for pygments. You can
verify the install by running:
pygmentize -L lexers | grep 'sisal'