Use `%` for a single-line comment
Write the comment after `%` on the same line
Use `%{` to start a block comment
Use `%}` to end a block comment
Place `%` at the beginning of a line to comment out the whole line
Use comments to explain code, not to replace clear variable names
Use `%` before code to temporarily disable it
Use `%` inside scripts and functions for inline notes
Use `%%` to create a section break in a script
Use `%` for documentation comments above functions and classes