[erlang-questions] unicode in string literals
Tue Jul 31 09:33:26 CEST 2012
On 31/07/2012, at 7:05 PM, Joe Armstrong wrote:
> Is "encoding(...)" a good idea?
> There are four reasonable alternatives
> a) - all files are Latin1
No good for people who need to write (comments, strings, quoted
atoms) in a language not limited to a Western European script.
> b) - all files are UTF8
No good for people who are perfectly happy with Latin 1 (me!)
and who need the occasional character outside ASCII (like, oh,
some people in Sweden maybe?) But could be tolerable.
> c) - all files are Latin1 or UTF8 and you guess
Guessing is always a bad idea.
> d) - all files are Latin1 or UTF8 or anything else and you tell
It works for XML. :- encoding(...) works for SWI Prolog:
This directive can appear anywhere in a source file
to define how characters are encoded in the remainder
of the file. It can be used in files that are encoded
with a superset of ASCII, currently UTF-8 and Latin-1.
See also section 2.18.1.
A smart editor like Emacs can be taught to recognise
at the top of a file just as easily as it can recognise its
More information about the erlang-questions