# Changes in SWI since 2009

**URL:** <https://swi-prolog.discourse.group/t/changes-in-swi-since-2009/1386>\
**Category:** Help!\
**Created:** [October 14, 2019, 1:03am UTC](https://swi-prolog.discourse.group/t/changes-in-swi-since-2009/1386 "2019-10-14T01:03:09Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![EricGT](https://avatars.discourse-cdn.com/v4/letter/e/f1d935/32.png) [@EricGT](https://swi-prolog.discourse.group/u/EricGT)\
**Post date:** [November 22, 2019, 12:38pm UTC](https://swi-prolog.discourse.group/t/changes-in-swi-since-2009/1386/4 "2019-11-22T12:38:10Z")

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[This](https://swi-prolog.discourse.group/t/what-type-is-a-single-quoted-string/1102/4) might be of use. It is not specific to your problem, but might give you some insight into how to work with strings since 2009.

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_[View the full topic](https://swi-prolog.discourse.group/t/changes-in-swi-since-2009/1386)._