Fix following problems  - 'J' with wrapped line does not work properly  - 'J' at end of document cases crash
Fix following problems
 - 'J' with wrapped line does not work properly
 - 'J' at end of document cases crash

tkuichooseyou/XVim,antmd/XVim,ishkawa/XVim,rokemoon/XVim,scottsievert/XVim,antmd/XVim,liwangwang123/XVim,hyperspacemark/XVim,hmuronaka/XVim,XVimProject/XVim,weizhenwei/XVim,N4tr0n/XVim,yixiang/XVim,raimon49/XVim,thatchristoph/XVim,thatchristoph/XVim,Chenkaiang/XVim,xuebuhui52011/XVim,sunzeboy/XVim,tanxxjun321/XVim,kgoodier/XVim,pebble8888/XVim,EmuxEvans/XVim,Chenkaiang/XVim,squarefrog/XVim,N4tr0n/XVim,lisuxia1992/XVim,ishkawa/XVim,weizhenwei/XVim,liwangwang123/XVim,brucehappy/XVim,tkuichooseyou/XVim,teemobean/XVim,otfsenter/XVim,teemobean/XVim,ishkawa/XVim,lisuxia1992/XVim,tanxxjun321/XVim,kgoodier/XVim,lisuxia1992/XVim,gecko655/XVim,tonyd256/XVim,hyperspacemark/XVim,hmuronaka/XVim,squarefrog/XVim,gecko655/XVim,otfsenter/XVim,brucehappy/XVim,takeshineshiro/XVim,antmd/XVim1,N4tr0n/XVim,raimon49/XVim,pebble8888/XVim,EmuxEvans/XVim,raimon49/XVim,thatchristoph/XVim,otfsenter/XVim,antmd/XVim1,EmuxEvans/XVim,XVimProject/XVim,scottsievert/XVim,sunzeboy/XVim,SampleLiao/XVim,teemobean/XVim,EmuxEvans/XVim,kgoodier/XVim,xuebuhui52011/XVim,sunzeboy/XVim,lisuxia1992/XVim,takeshineshiro/XVim,tonyd256/XVim,antmd/XVim,liwangwang123/XVim,tanxxjun321/XVim,ishkawa/XVim,pebble8888/XVim,gecko655/XVim,rokemoon/XVim,brucehappy/XVim,XVimProject/XVim,XVimProject/XVim,brucehappy/XVim,squarefrog/XVim,dengcqw/XVim_x,raimon49/XVim,SampleLiao/XVim,yixiang/XVim,tkuichooseyou/XVim,Chenkaiang/XVim,teemobean/XVim,SampleLiao/XVim,tkuichooseyou/XVim,SampleLiao/XVim,dengcqw/XVim_x,yixiang/XVim,scottsievert/XVim,gecko655/XVim,hmuronaka/XVim,hyperspacemark/XVim,squarefrog/XVim,yixiang/XVim,antmd/XVim1,pebble8888/XVim,thatchristoph/XVim,N4tr0n/XVim,scottsievert/XVim,xuebuhui52011/XVim,kgoodier/XVim,dengcqw/XVim_x,tonyd256/XVim,sunzeboy/XVim,xuebuhui52011/XVim,hyperspacemark/XVim,dengcqw/XVim_x,tonyd256/XVim,antmd/XVim,tanxxjun321/XVim,Chenkaiang/XVim,otfsenter/XVim,weizhenwei/XVim,liwangwang123/XVim,takeshineshiro/XVim,hmuronaka/XVim,weizhenwei/XVim