# When is a part collected-info-number set to '(#f)?

**URL:** <https://racket.discourse.group/t/when-is-a-part-collected-info-number-set-to-f/3823>\
**Category:** Questions & Answers\
**Tags:** scribble\
**Created:** [June 28, 2025, 10:50pm UTC](https://racket.discourse.group/t/when-is-a-part-collected-info-number-set-to-f/3823 "2025-06-28T22:50:03Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![stevebyan](https://avatars.discourse-cdn.com/v4/letter/s/e56c9b/32.png) [@stevebyan](https://racket.discourse.group/u/stevebyan)\
**Post date:** [June 28, 2025, 10:50pm UTC](https://racket.discourse.group/t/when-is-a-part-collected-info-number-set-to-f/3823/1 "2025-06-28T22:50:03Z")

</div>

Under some circumstances, the collected-info-number for a Scribble part is set to '(#f). Does anyone happen to know what causes it to be set to that value?

---

<div class="post-metadata">

**Author:** ![stevebyan](https://avatars.discourse-cdn.com/v4/letter/s/e56c9b/32.png) [@stevebyan](https://racket.discourse.group/u/stevebyan)\
**Post date:** [June 29, 2025, 2:42pm UTC](https://racket.discourse.group/t/when-is-a-part-collected-info-number-set-to-f/3823/2 "2025-06-29T14:42:39Z")

</div>

Thanks to Soegaard for the answer:

> **[6.3 Structures And Processing](https://docs.racket-lang.org/scribble/core.html#%28def._%28%28lib._scribble%2Fcore..rkt%29._collected-info%29%29)**