There are several different systems for encoding the Polish alphabet for computers. All letters of the Polish alphabet are included in Unicode, and thus Unicode-based encodings such as UTF-8 and UTF-16 can be used. The Polish alphabet is completely included in the Basic Multilingual Plane of Unicode. ISO 8859-2 (Latin-2), ISO 8859-13 (Latin-7), ISO 8859-16 (Latin-10) and Windows-1250 are popular 8-bit encodings that support Polish alphabet.
The Polish letters which are not present in the English alphabet use the following HTML character entities[4] and Unicode codepoints[5][6]:
原文：https://www.cnblogs.com/kakaisgood/p/11837026.html