# Programming Ruby 4: forth/fourth (page xix)

**URL:** <https://forum.devtalk.com/t/programming-ruby-4-forth-fourth-page-xix/249218>\
**Category:** PragProg Customers\
**Tags:** book-programming-ruby-4, errata\
**Created:** [27 August 2026 15:05 UTC](https://forum.devtalk.com/t/programming-ruby-4-forth-fourth-page-xix/249218 "2026-08-27T15:05:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![zoyser](https://forum.devtalk.com/letter_avatar_proxy/v4/letter/z/5daacb/32.png) [@zoyser](https://forum.devtalk.com/u/zoyser)\
**Post date:** [27 August 2026 15:05 UTC](https://forum.devtalk.com/t/programming-ruby-4-forth-fourth-page-xix/249218/1 "2026-08-27T15:05:57Z")

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typo “forth edition”