Programming Ruby 3.2 (5th Edition): B1.0 page 269, as shown below

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1

@noelrappin

page 269, paragraph after the code, first bullet

• You won’t be able to run this without also updating the .gemspec file as shown below,

A link to

in Distributing and Installing Your Code on page 272

would be useful.

2

Cross-reference added, thanks!