A line.

A fragment.

Possible colors.

The common uses of the color are the following:

• Default: Default color
• Color1: Comment
• Color2: Literal string, attribute value
• Color3: Keyword, tag, operator symbol (=+-*/...)
• Color4: Keyword, type signature, group symbol ({}(),)
• Color5: Function, attribute name
• Color6: Literal keyword
• Color7: Argument, parameter

Highlight type.

Highlight lines given a highlight type, start and end index. If no highlight type is given (Nothing), it will remove any highlight from that lines. Negative indexes are taken starting from the end of the list.