# Upper index leads to a alphanumeric mismatch

**URL:** <https://forum.xbench.net/t/upper-index-leads-to-a-alphanumeric-mismatch/811>\
**Category:** Technical Support\
**Created:** [July 9, 2021, 12:28pm UTC](https://forum.xbench.net/t/upper-index-leads-to-a-alphanumeric-mismatch/811 "2021-07-09T12:28:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![agnus](https://avatars.discourse-cdn.com/v4/letter/a/4bbf92/32.png) [@agnus](https://forum.xbench.net/u/agnus)\
**Post date:** [July 9, 2021, 12:28pm UTC](https://forum.xbench.net/t/upper-index-leads-to-a-alphanumeric-mismatch/811/1 "2021-07-09T12:28:40Z")

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Hi,

the situation, in which mm2 present in the source is translated correct typographically, with „2” in the upper index (as seen on the screenshot) leads to an alphanumeric mismatch. This shouldn’t be the case, I believe. Can you update this check maybe to skip this as not a false positive?

 ![image](https://canada1.discourse-cdn.com/flex035/uploads/xbench/original/1X/17479abfa1e3ac376c12aae9882d807bf2938ffa.png)