I have a text file. I've been told to make it UTF8. How can I do that with Vim?
Vim does not actually default 'encoding' to UTF-8. It defaults to latin1, but will change based on the locale of your environment.
If you are editing a file encoded as latin1, you will find that 'fileencoding' for that buffer is set to latin1. So you will need to manually set the fileencoding before saving the file.
:set fileencoding=utf8 :w myfilename
Also note that UTF8 files often begin with a Byte Order Mark (BOM) which indicates endianness. The BOM is optional but some programs use it exclusively to determine the file encoding. Under certain conditions Vim will write the BOM but sometimes it won't. To explicitly set the BOM do this:
:set bomb
For more information :help mbyte-options
and :help utf8
and :help bomb
.
:w ++enc=utf-8 %
to write the file in utf-8 encoding to disk.
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