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Koan 15: The Invisible Ink

Python Koans · published 23 October 2025

A record is what was published and who pointed at it. The text of the post is not held here: read it at the source, or at its Wayback capture.

Read the post at pythonkoans.substack.com Wayback capture

1blog citing

First cited: 5 Jul 2026
Most recent: 5 Jul 2026
Rank this month: not ranked
External links: 12
Words captured: 973

Cited by 1 blog in 1 post

One row per blog, the most recently citing first. Each shows the blog's newest citing post; open a row for the others.

Blog

Newest citing post

Date

debian on bisco.org1 post

Status update, June 2026 Read at the source ↗

5 Jul 2026

Links from this post

Link

Host

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substackcdn.com

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substackcdn.com

https://substackcdn.com/image/fetch/$s_!cNV8!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F272a5879-8eac-4850-a1a4-915368bbd6cd_1536x766.png

substackcdn.com

https://substackcdn.com/image/fetch/$s_!G6XT!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Faf6d07a8-b8f2-4826-8738-f1d4f62294ca_1536x624.png

substackcdn.com

https://substackcdn.com/image/fetch/$s_!AtAH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa7f7fa84-0b86-4fec-a608-377a551bc120_1536x640.png

substackcdn.com

https://substackcdn.com/image/fetch/$s_!_ywy!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3daf501e-7085-474f-8842-bc5ecc473310_1536x624.png

substackcdn.com

https://en.wikipedia.org/wiki/Ye_(Cyrillic

en.wikipedia.org

https://en.wikipedia.org/wiki/A_(Cyrillic

en.wikipedia.org

https://substackcdn.com/image/fetch/$s_!Rkwf!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F813dbde5-4dfc-44b1-b319-a628d1d85d74_250x39.png

substackcdn.com

https://en.wikipedia.org/wiki/Unicode_equivalence

en.wikipedia.org

https://www.unicode.org/reports/tr29/

unicode.org

https://en.wikipedia.org/wiki/Bell_character

en.wikipedia.org