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I’m using an API that processes my files and presents optimized output, but some special characters are not preserved, for example:
Input: äöü
Output: äöü
How do I fix this? What encoding should I use?
Many thanks for your help!
It really depend what processing you are done to your data. But in general, one powerful technique is to convert it to UTF-8 by Iconv, for example, and pass it through ASCII-capable API or functions. In general, if those functions don’t mess with data they don’t understand as ASCII, then the UTF-8 is preserved — that’s a nice property of UTF-8.