Original sentence: (Red Hat also sells commercial licenses to those who wish to redistribute programs that use the Cygwin library under proprietary terms.Cygwin has no direct support for Unicode, nor does it support any character sets except the current Windows and OEM codepages of your system (e.iconv is provided, so it is possible to work with files in other encodings, but conversion must be performed manually
Edited sentence: (Red Hat also makes available expensive licenses to redistribute programs that use the Cygwin library under proprietary terms.Unfortunately, Cygwin has no support for Unicode; neither does it support any character sets except the current Windows and OEM codepages of your system (e