deduce template param when parsing by xml factory

aaccess2/src/aaccess.cpp

aaccess2/src/common/AccessHelpers.hpp

aarbology2/src/aarbology.cpp

acast2/src/acast.cpp

acompaction2/src/acompaction.cpp

acompare2/src/acompare.cpp

aconversions2/src/ConversionHandler.cpp

aconvert2/src/aconvert.cpp

aderivation2/src/aderivation.cpp

adeterminize2/src/adeterminize.cpp

aecho2/src/aecho.cpp

aepsilon2/src/aepsilon.cpp

agenerate2/src/agenerate.cpp

aintegral2/src/aintegral.cpp

alangop2/src/alangop.cpp

alib2algo/test-src/regexp/RegExpTest.cpp

alib2algo/test-src/regexp/properties/RegExpEmptyTest.cpp

alib2algo/test-src/regexp/properties/RegExpEpsilonTest.cpp

alib2algo/test-src/regexp/simplify/RegExpOptimizeTest.cpp

alib2algo/test-src/regexp/toAutomaton/re2faTest.cpp