# \#encoding

**URL:** https://forums.buildingsmart.org/tag/encoding/122.md

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## [How do we properly handle apostrophes in IfcLabel?](https://forums.buildingsmart.org/t/how-do-we-properly-handle-apostrophes-in-ifclabel/4231)

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**Author:** [@ian](https://forums.buildingsmart.org/u/ian)\
**Replies:** 5\
**Last updated:** [May 16, 2022, 11:36am UTC](https://forums.buildingsmart.org/t/how-do-we-properly-handle-apostrophes-in-ifclabel/4231 "2022-05-16T11:36:39Z")

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We have an IfcLabel which contains an apostrophe and it’s breaking at least two viewers that we know of. How do we escape “special” characters in IFC with a guarantee that viewers will handle un-escaping?