# Gtrace - Example finite-state automaton

**URL:** <https://swi-prolog.discourse.group/t/gtrace-example-finite-state-automaton/806>\
**Category:** Nice to know\
**Created:** [June 13, 2019, 11:52am UTC](https://swi-prolog.discourse.group/t/gtrace-example-finite-state-automaton/806 "2019-06-13T11:52:15Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jamesnvc](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/jamesnvc/32/14_2.png) [@jamesnvc](https://swi-prolog.discourse.group/u/jamesnvc)\
**Post date:** [June 13, 2019, 1:54pm UTC](https://swi-prolog.discourse.group/t/gtrace-example-finite-state-automaton/806/5 "2019-06-13T13:54:12Z")

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Oh yeah, I’m able to open the pdf if I open it directly from evince, just not if I open it by clicking it from the “downloaded” menu in firefox. How strange!

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