a       b       c       d       e       f       g       h       i       j      k
l
                                x
1 3     2


Tab before EOL:
no tab: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890abcdefgh@
tab:    abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890abcdefgh@
tab (2):abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890abcdefg @

Tab at EOL:
no tab: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890abcdefghi
@
tab:    abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890abcdefghi
@
with clipping:                                                  4567890abcdefgh@