ASCII art for semantic code commenting
For what it's worth, I keep a file in my home folder containing some box drawing characters. It's not super fast to draw by copy-paste but the result usually looks quite nice.    ─  │  ┌ ┬ ┐
    ┄  ┆  ├ ┼ ┤ ╲ ╱
    ┈  ┊  └ ┴ ┘

    ━  ┃  ┏ ┳ ┓ ┏ ┯ ┓ ┏ ┳ ┓ ┏ ┯ ┓
    ┅  ┇  ┣ ╋ ┫ ┣ ┿ ┫ ┠ ╂ ┨ ┠ ┼ ┨
    ┉  ┋  ┗ ┻ ┛ ┗ ┷ ┛ ┗ ┻ ┛ ┗ ┷ ┛