Improving Lesson 1.3 by mentioning longest match while scanning tokens#3618
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rv-jenkins merged 3 commits intodevelopfrom Sep 5, 2023
Merged
Improving Lesson 1.3 by mentioning longest match while scanning tokens#3618rv-jenkins merged 3 commits intodevelopfrom
rv-jenkins merged 3 commits intodevelopfrom
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@dwightguth is more familiar with the K tutorial and native English speaker. I will let him give the final approval. |
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Sep 5, 2023
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approved but please make one minor change
| The answer is that K uses Flex to generate a scanner for the grammar. Flex looks | ||
| for the longest possible match of a regular expression in the input. If there | ||
| are ambiguities between 2 or more regular expressions, it will pick the one with | ||
| the max precedence token. You can learn more about how Flex matching works |
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"prec attribute", not "precedence token"
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Fixes #3539.
It makes more sense to me to add it to Lesson 1.3 instead of Lesson 1.4, as we're introducing Parsing in this lesson. But I'm open to suggestions to improve the text and where it should be! 😄