# Operator associativity

**URL:** <https://swi-prolog.discourse.group/t/operator-associativity/4850>\
**Category:** Help!\
**Tags:** discussion\
**Created:** [January 6, 2022, 5:12pm UTC](https://swi-prolog.discourse.group/t/operator-associativity/4850 "2022-01-06T17:12:11Z")\
**Posts on this page:** 1\
**Showing post:** 18

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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:** [January 9, 2022, 12:21pm UTC](https://swi-prolog.discourse.group/t/operator-associativity/4850/18 "2022-01-09T12:21:44Z")

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Wow!

Look what happened to your test file.

> <https://github.com/SWI-Prolog/swipl-devel/commit/799ee52eaa78857e21e342a59b26da66fe1025b0>

* * *

**EDIT**

You are were even mentioned in the [latest release notes](https://swi-prolog.discourse.group/t/ann-swi-prolog-8-5-5/4861).

> - Fixes to [read/1](https://www.swi-prolog.org/pldoc/doc_for?object=read/1) and friends for postfix operators (@keke)

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_[View the full topic](https://swi-prolog.discourse.group/t/operator-associativity/4850)._