patch 8.0.0026

Problem:    Error format with %W, %C and %Z does not work. (Gerd Wachsmuth)
Solution:   Skip code when qf_multiignore is set. (Lcd)

src/testdir/test_quickfix.vim

@@ -818,6 +818,29 @@ function! Test_efm_dirstack()
   call delete('habits1.txt')
 endfunction
 
+" Test for resync after continuing an ignored message
+function! Xefm_ignore_continuations(cchar)
+  call s:setup_commands(a:cchar)
+
+  let save_efm = &efm
+
+  let &efm =
+	\ '%Eerror %m %l,' .
+	\ '%-Wignored %m %l,' .
+	\ '%+Cmore ignored %m %l,' .
+	\ '%Zignored end'
+  Xgetexpr ['ignored warning 1', 'more ignored continuation 2', 'ignored end', 'error resync 4']
+  let l = map(g:Xgetlist(), '[v:val.text, v:val.valid, v:val.lnum, v:val.type]')
+  call assert_equal([['resync', 1, 4, 'E']], l)
+
+  let &efm = save_efm
+endfunction
+
+function! Test_efm_ignore_continuations()
+  call Xefm_ignore_continuations('c')
+  call Xefm_ignore_continuations('l')
+endfunction
+
 " Tests for invalid error format specifies
 function Xinvalid_efm_Tests(cchar)
   call s:setup_commands(a:cchar)