russian text:
original cp1251  1471835
gzipped  cp1251   555947
original  utf-8  2463173 +67.4%
gzipped   utf-8   651722 +17.2%
pdb doc     uni  1734806 +45.3%
pdb zlib    uni   999639 +63.0%
pdb doc  cp1251  1194075 
pdb zlib cp1251   613449
pdb doc   utf-8  1263083 +5.85
pdb zlib  utf-8   753543 +22.8%

french text:
original   iso1  1415790
gzipped    iso1   517698
original  utf-8  1445719 +2.1%
gzipped   utf-8   522078 +0.8%
pdb doc    iso1   836411 
pdb zlib   iso1   592018
pdb doc     uni   865120 +3.4%
pdb zlib    uni   614324 +3.8%
pdb doc    utf-8  851363 +1.8%
pdb zlib   utf-8  599377 +1.2%