Test for visual block shift and tab characters.

STARTTEST
:so small.vim
/^abcdefgh
4jI    j<<11|D
7|a		
7|a		   
7|a	       	4k13|4j<
:$-4,$w! test.out
:$-4,$s/\s\+//g
4kI    j<<
7|a		
7|a					
7|a	       		4k13|4j3<
:$-4,$w >> test.out
:qa!
ENDTEST

abcdefghijklmnopqrstuvwxyz
abcdefghijklmnopqrstuvwxyz
abcdefghijklmnopqrstuvwxyz
abcdefghijklmnopqrstuvwxyz
abcdefghijklmnopqrstuvwxyz