How to use the libxslt. function in libxslt

w["level:"]="60*1";
w["levels."]="451*1";
w["lgpl"]="1*1,26*1,42*47,513*1,520*2";
w["lgpl."]="513*1";
w["lgpl.html"]="520*2";
w["lgpl.txt"]="42*2";
w["li"]="42*4,451*1";
w["liabl"]="42*1";
w["lib"]="6*10,42*3,67*2,115*2,144*6,192*6,213*1,248*2,262*2,276*6,285*1,373*1,450*6,461*6,480*6,496*1";
w["libr"]="42*2";
w["librari"]="42*141,53*1,115*1,169*1,174*1,179*2,194*1,258*4,319*1,354*1,416*1";
w["libraries."]="42*2,319*1";
w["library."]="42*17";
w["libxml2"]="28*1,169*1,236*1";
w["libxslt"]="146*2,169*1";
w["libxslt."]="146*1";
w["lic"]="402*1";
w["licen"]="42*2,490*2";
w["licens"]="1*2,18*1,42*123,93*1,103*5,104*48,115*1,160*1,238*2,272*1,351*1,365*18,377*1,402*124,460*5,490*6,520*55";
w["license"]="42*3,402*1";
w["license."]="42*18,103*1,365*2,402*7,460*2";
w["license.key"]="18*1";
w["license.template.zl"]="490*1";
w["license.zl"]="490*2";
w["licensepath"]="18*2,93*2,103*1,238*1";
w["licenseproduct"]="84*1,460*3";
w["licensetempl"]="365*1,490*1";
w["license”"]="104*1";
w["licensing."]="460*1";
w["licensor"]="42*1";
w["lifecycl"]="304*46,328*1";
w["like"]="31*1,35*1,58*3,60*1,65*1,77*1,79*1,87*1,102*1,127*1,136*1,160*1,163*1,171*1,174*1,177*1,182*1,221*2,300*1,310*1,313*2,318*1,343*1,357*1,393*1,399*2,404*1,406*1,441*1,459*1,465*1,470*1,492*1";