fontTools is a family of libraries and utilities for manipulating fonts in Python.

Berkeley Mono is a love letter to the golden era of computing.

With OpenType Feature Freezer, freeze slashed zero with JetBrainsMono font.

A small tip to show how to convert between symbols and strings.

Find and replace text across multiple file in project, dired-mode or grep-mode buffer.

Use overlays to highlight a buffer’s keywords on the screen.

RGB color lighten and darken in catppuccin-themes.

A function can be non-reentrant if it uses memory that is not on the stack.

In CSS, em and rem represent relative units that display the scalable and responsive results.