The serializer's Encodings.properties file is out of date
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Key: XALANJ-2198
URL: http://issues.apache.org/jira/browse/XALANJ-2198
Project: XalanJ2
Type: Improvement
Versions: 2.7
Reporter: Brian Minchau
The serializer's Encodings.properties file is out of date.
Each line in this properties file is of this form:
javaName mimeName1,mimeName2,...,mimeNameN 0xabdc
The various mime names are names that can appear for the value of the encoding
in the stylesheet, and all are aliases of the encoding.
The javaName is the name used internally by our XSLT implementation when
opening the writer, in our case the implementation is in Java so we need a name
that the JRE understands when doing this:
new OutputStreamWriter(OutputStream, javaName);
The last thing on the line is the hex value of the code point of the largest
code point in the encoding. The largest code point value is no longer used and
should be dropped.
There are many many encodings missing when you look compare to
http://www.iana.org/assignments/character-sets.
For example consider this encoding on that web page:
Name: IBM275 [RFC1345,KXS2]
MIBenum: 2032
Source: IBM NLS RM Vol2 SE09-8002-01, March 1990
Alias: EBCDIC-BR
Alias: cp275
Alias: csIBM275
The "Name:" value is the primary name of the encoding.
It is unclear to me if the "Name:" field has meaning for us. Is it ever the
javaName or a mime name?
Which one of the aliases the javaName? In most cases we do consider one of the
aliases to be the javaName. Which one?
Are all aliases, other than perhaps the javaName, mime names that can appear in
stylesheets?
What about the "MIBenum:" field. I've found that on my JRE, for a large number
of encodings, that it to can be used as a javaName to create the
OutputStreamWriter. In this case the string "2032" could be used. Does that
make it a mime name?
If anyone can shed light on how to extract information from
http://www.iana.org/assignments/character-sets or other sources, in order to
get this properties file correct, and current, it would be appreciated.
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