As you may remember from the previous chapter, syntax highlighting is defined in a .yaml file stored in a folder named languages. We want to allow the user to easily define their own syntax highlighting keywords and schemes by simply creating another .yaml file.
To experiment with this feature, create yourself a .yaml file in the languages folder. Ensure it contains numbers, strings, and any other category of keywords you like.
If you want to, you can copy this small example for SQL:
categories: keywords: color: orange matches: [select, where, and, from, order, by, group] dangerous: color: red4 matches: [set, update, drop, replace]numbers: color: purplestrings: color: red
Now that we have another syntax highlighting ...