For anyone that's interested on this, I will summarise here my
conclusions on this problem
1.
In Windows, Java does not recognize the encoding of text files (e.g.
JmolScript files) and loads them always in the system default
encoding, Windows-1252. This is so for both Jmol application and Jmol
applets. I guess that in other OSs the situation will be similar but
with a different default (for instance, as far as I know MacOS used
Unicode by default).
By looking at the Java console (from the browser after an applet has
been loaded) I see this report:
Java console > press "s" (for dumping system properties) gives
"file.encoding = Cp1252"
(Which I understand as the Windows-1252 encoding)
2.
How to force reading files as UTF-8?
2A.
In the application, this can be done by invoking Jmol as:
javaw -Xmx512m -Dfile.encoding=UTF8 -jar Jmol.jar
(the -Xmx is optional and bears no relation with this problem; I just
copied it from the standard jmol.bat)
or enter this into a command line:
set JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF8
and then call the Jmol app normally:
javaw -Xmx512m -jar Jmol.jar
Possibly, if you add that "set" command into your system startup
(autoexec.bat? or to system environment variables via the control
panel), the setting will be default for any instance of the app.
2B.
In the applet, go to "Control Panel > Java > Java tab > Configure
Runtime Environment" and add the runtime parameter
-Dfile.encoding=UTF8
After that, the applets will read files as UTF8
3.
All of the above does not apply to Javascript files, which are
interpreted by the browser according to whatever encoding is declared
in the meta tag of the calling html file.
So you can save a .JS text file as either UTF-8 (Unicode) or
ISO8859-1 (Western European / ANSI / Roman / Latin) and it will work
as long as the .html file is declared and saved in the same encoding.
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