Small wrapper around the titlecase library to convert text to title case. It follows the rules defined by John Gruber. For more details, refer to the library.

#import "@preview/titleize:0.1.0": titlecase

#set page(width: auto, height: auto, margin: 1cm)

#for s in (
  "Being productive on linux",
  "Finding an alternative to Mac OS X — part 2",
  "an example with small words and sub-phrases: \"the example\"",
) [
  #s => #titlecase(s) \
]