# Transparent Syntax Extensions

**URL:** <https://racket.discourse.group/t/transparent-syntax-extensions/4007>\
**Category:** Questions & Answers\
**Created:** [November 16, 2025, 5:54pm UTC](https://racket.discourse.group/t/transparent-syntax-extensions/4007 "2025-11-16T17:54:09Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![LiberalArtist](https://yyz2.discourse-cdn.com/free1/user_avatar/racket.discourse.group/liberalartist/32/151_2.png) [@LiberalArtist](https://racket.discourse.group/u/LiberalArtist)\
**Post date:** [November 16, 2025, 10:14pm UTC](https://racket.discourse.group/t/transparent-syntax-extensions/4007/12 "2025-11-16T22:14:40Z")

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> [@selfofly](#):
>
> I'm interested in exploring these ambiguities in my thesis, so I need a system with as much freedom as possible in terms of creating them.

If you're looking at this sort of thing from a research perspective, you might be interested in:

> [@Reference on "A language to create documents"](https://racket.discourse.group/t/reference-on-a-language-to-create-documents/3661/2):
>
> [Will Crichton and Shriram Krishnamurthi, “A Core Calculus for Documents: Or, Lambda: The Ultimate Document” (POPL2024)](https://dl.acm.org/doi/10.1145/3632865).
> 
> Will, @samth, and I got into a [discussion on Mastodon](https://mastodon.social/@LiberalArtist/111779700702186019) about how its analytic categories apply to Scribble.

I was looking for more @elibarzilay’s writing about Scribble, as the things I was remembering weren’t discussed in detail in [“The Scribble Reader: An Alternative to S-expressions for Textual Content”](https://www.barzilay.org/misc/scribble-reader.pdf). The most relevant thing I remembered is an old mailing list thread:

> **[udelim package -- more parens than you can shake a stick at](https://groups.google.com/g/racket-users/c/tv6ENRkG7tg/m/HmB6Hi00DgAJ)**

Separately, for a more thorough introduction to these parts of Racket, you might consider:

> **[Beautiful Racket by Matthew Butterick](https://beautifulracket.com)**
>
> Beautiful Racket

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