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https://issues.apache.org/jira/browse/PDFBOX-3747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15961019#comment-15961019
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Tilman Hausherr commented on PDFBOX-3747:
-----------------------------------------

Thanks, I added a small test for windows, to prevent that in the future, or in 
a fork, somebody would "optimize" and remove the sort.

> CmapSubtable#getCharCodes provides values in random order
> ---------------------------------------------------------
>
>                 Key: PDFBOX-3747
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3747
>             Project: PDFBox
>          Issue Type: Bug
>          Components: FontBox
>    Affects Versions: 2.0.5, 3.0.0
>            Reporter: Andreas Lehmkühler
>            Assignee: Andreas Lehmkühler
>             Fix For: 2.0.6, 3.0.0
>
>         Attachments: PDFBOX-3747.pdf
>
>
> Some fonts may have an ambigious glyphId to character code mapping. 
> CmapSubtable#getCharCodes provides all of them, but in a random order. We 
> should sort the list to provide a consistent order.



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