[1.9] Array#pack does not support 'm0' format
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Key: JRUBY-4741
URL: http://jira.codehaus.org/browse/JRUBY-4741
Project: JRuby
Issue Type: Improvement
Components: Core Classes/Modules
Affects Versions: JRuby 1.5.0.RC1
Environment: any
Reporter: Hiroshi Nakamura
Attachments: 0001-Added-m0-Array-pack-format-in-1.9.patch
{noformat}
0% ruby -e 'p ["\0"].pack("m")'
"AA==\n"
0% ruby -e 'p ["\0"].pack("m0")'
"AA==\n"
0% ruby19 -e 'p ["\0"].pack("m")'
"AA==\n"
0% ruby19 -e 'p ["\0"].pack("m0")'
"AA==" # <<< new pack format >>>
0% bin/jruby -e 'p ["\0"].pack("m")'
"AA==\n"
0% bin/jruby -e 'p ["\0"].pack("m0")'
"AA==\n"
0% bin/jruby --1.9 -e 'p ["\0"].pack("m")'
"AA==\n"
0% bin/jruby --1.9 -e 'p ["\0"].pack("m0")'
"AA==\n" # <<< should be "AA==" (no last LF) >>>
{noformat}
JRUBY-4717 requires this feature.
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