# Code highlighting does not work properly in one cell

**URL:** <https://talk.observablehq.com/t/code-highlighting-does-not-work-properly-in-one-cell/5059>\
**Category:** Feedback\
**Created:** [May 14, 2021, 8:46am UTC](https://talk.observablehq.com/t/code-highlighting-does-not-work-properly-in-one-cell/5059 "2021-05-14T08:46:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![EE2dev](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/ee2dev/32/695_2.png) [@EE2dev](https://talk.observablehq.com/u/EE2dev)\
**Post date:** [May 14, 2021, 8:46am UTC](https://talk.observablehq.com/t/code-highlighting-does-not-work-properly-in-one-cell/5059/1 "2021-05-14T08:46:53Z")

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In the next to last cell of this notebook [Plot Exploration: How to customize the calendar visualization? / ee2dev | Observable](https://observablehq.com/@ee2dev/plot-exploration-how-to-customize-the-calendar-visualizat) the code highlighting breaks for some reason:

 ![code_highlighting](https://canada1.discourse-cdn.com/flex030/uploads/observablehq/original/2X/8/88ae0c84fd669fd268296c34aee677a5a1c31582.png)

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**Author:** ![annie](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/annie/32/3151_2.png) [@annie](https://talk.observablehq.com/u/annie)\
**Post date:** [May 14, 2021, 4:09pm UTC](https://talk.observablehq.com/t/code-highlighting-does-not-work-properly-in-one-cell/5059/2 "2021-05-14T16:09:43Z")

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thanks for flagging!! we just merged a fix for this so you should see it updated in production soon 🙂