#elastic tab stops test
#double-wide causes misalignments in reference implementation
1234Ｐ7Ｑabcdef
1234Ｐ7Ｑabcdef
123456789abcdef

#1 tab per line
Ｑ      cdefasdfyza
ＱＱＱＱＱ  asdfyz


#2 tabs per line
1234Ｐ7   Ｑabcdef  1234
1234Ｐ7Ｑ  abcdef   1234

#3 tabs per line - totally misaligned
Ｐ7Ｑabcdef1234Ｐ7Ｑabcdefg   y    zzzzzz  etc
Ｐ7Ｑabcdef1234Ｐ7           y    z       etc
Ｐ7Ｑaaaaaaaaaaaaaaaaaaaaa  yyy  z       etc


1234Ｐ7Ｑ  abcdef

#2tabs
tab                    test  etc  
1234p67Ｑq9abＱＱＱＱcdefＱ  1234
1234p67Ｑ               9abcdef  xxx

space         aligned               not-perfect
1234567    Ｑq9abcdefＱ      1234
1234567    Ｑ                        9abcdef  xxx