# Syntax for identifiers **URL:** \ **Category:** Internals\ **Created:** [December 14, 2022, 1:48pm UTC](https://racket.discourse.group/t/syntax-for-identifiers/1556 "2022-12-14T13:48:34Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![pmatos](https://yyz2.discourse-cdn.com/free1/user_avatar/racket.discourse.group/pmatos/32/26_2.png) [@pmatos](https://racket.discourse.group/u/pmatos)\ **Post date:** [December 14, 2022, 1:48pm UTC](https://racket.discourse.group/t/syntax-for-identifiers/1556/1 "2022-12-14T13:48:34Z")
I have been looking at the Racket syntax and one of the most unconventional things when you get to the details of it, is the syntax for identifiers. For example. `1/n` is not a valid R7RS identifier according to the [small spec](https://small.r7rs.org/attachment/r7rs.pdf), page 62. What are the modifications for the Racket identifier grammar and is this documented anywhere? Is it just the case that in Racket: ```scheme -> | | ``` Or is there anything else that I might be missing? ---
**Author:** ![sorawee](https://avatars.discourse-cdn.com/v4/letter/s/ea5d25/32.png) [@sorawee](https://racket.discourse.group/u/sorawee)\ **Post date:** [December 14, 2022, 2:16pm UTC](https://racket.discourse.group/t/syntax-for-identifiers/1556/2 "2022-12-14T14:16:39Z")
The documentation is at [https://docs.racket-lang.org/reference/reader.html#%28part.\_parse-symbol%29](https://docs.racket-lang.org/reference/reader.html#%28part._parse-symbol%29) which says ---
**Author:** ![pmatos](https://yyz2.discourse-cdn.com/free1/user_avatar/racket.discourse.group/pmatos/32/26_2.png) [@pmatos](https://racket.discourse.group/u/pmatos)\ **Post date:** [December 14, 2022, 2:55pm UTC](https://racket.discourse.group/t/syntax-for-identifiers/1556/3 "2022-12-14T14:55:44Z")
Somehow I had missed that. Thanks. That explains a lot.