# Sometimes key returns capital letter

**URL:** <https://discourse.processing.org/t/sometimes-key-returns-capital-letter/15820>\
**Category:** Processing\
**Created:** [November 26, 2019, 1:43am UTC](https://discourse.processing.org/t/sometimes-key-returns-capital-letter/15820 "2019-11-26T01:43:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![paulgoux](https://avatars.discourse-cdn.com/v4/letter/p/b9bd4f/32.png) [@paulgoux](https://discourse.processing.org/u/paulgoux)\
**Post date:** [November 26, 2019, 1:43am UTC](https://discourse.processing.org/t/sometimes-key-returns-capital-letter/15820/1 "2019-11-26T01:43:55Z")

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Making a textbox, and using

```auto
a = char(key);

```

to return a key. Most of the time it works fine but sometimes it will randomly capitalize a letter, any idea what would cause this?

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**Author:** ![Chrisir](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/chrisir/32/45_2.png) [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Post date:** [November 26, 2019, 2:31am UTC](https://discourse.processing.org/t/sometimes-key-returns-capital-letter/15820/2 "2019-11-26T02:31:43Z")

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What?

Isn’t key already a char?!

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<div class="post-metadata">

**Author:** ![paulgoux](https://avatars.discourse-cdn.com/v4/letter/p/b9bd4f/32.png) [@paulgoux](https://discourse.processing.org/u/paulgoux)\
**Post date:** [November 26, 2019, 2:36am UTC](https://discourse.processing.org/t/sometimes-key-returns-capital-letter/15820/3 "2019-11-26T02:36:56Z")

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Yes you’re right!! (must post 20 chars)…