[#235 Where is RadicalExtension and RationalRadical?] filed as a bug report

[greg]

Changes 
http://wiki.axiom-developer.org/235WhereIsRadicalExtensionAndRationalRadical/diff
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For this hyperdoc crash see issue #280
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For not connected hyperdoc see issue #281
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forwarded from http://wiki.axiom-developer.org/[EMAIL PROTECTED]