1Test for autocommand that redefines the argument list, when doing ":all".
2
3STARTTEST
4:so small.vim
5:au BufReadPost Xxx2 next Xxx2 Xxx1
6/^start of
7A1:.,/end of/w! Xxx1    " write test file Xxx1
8$r2:.,/end of/w! Xxx2     " write test file Xxx2
9$r3:.,/end of/w! Xxx3     " write test file Xxx3
10:next! Xxx1 Xxx2 Xxx3     " redefine arglist; go to Xxx1
11:all                      " open window for all args
12:w! test.out              " Write contents of Xxx1
13:w >>test.out     " Append contents of last window (Xxx1)
14:rew                      " should now be in Xxx2
15:w >>test.out             " Append contents of Xxx2
16:qa!
17ENDTEST
18
19start of test file Xxx
20	this is a test
21	this is a test
22	this is a test
23	this is a test
24end of test file Xxx
25