new file mode 100644
--- /dev/null
+++ b/src/testdir/test10.in
@@ -0,0 +1,57 @@
+Test for 'errorformat'.
+
+STARTTEST
+:so small.vim
+:/start of errorfile/,/end of errorfile/w! Xerrorfile
+:/start of testfile/,/end of testfile/w! Xtestfile
+:cf Xerrorfile
+rA
+:cn
+rB
+:cn
+rC
+:cn
+rD
+:cn
+rE
+:w! test.out             " Write contents of this file
+:qa!
+ENDTEST
+
+start of errorfile
+"Xtestfile", line 4.12: 1506-045 (S) Undeclared identifier fd_set.
+"Xtestfile", line 7 col 19; this is an error
+gcc -c -DHAVE_CONFIsing-prototypes -I/usr/X11R6/include  version.c
+Xtestfile:13: parse error before `asd'
+make: *** [vim] Error 1
+in file "Xtestfile" linenr 16: there is an error
+
+2 returned
+"Xtestfile", linenr 19: yet another problem
+
+Does anyone know what is the problem and how to correction it?
+end of errorfile
+
+start of testfile
+line 2  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 3  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 4  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 5  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 6  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 7  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 8  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 9  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 10 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 11 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 12 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 13 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 14 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 15 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 16 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 17 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 18 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 19 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 20 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 21 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 22 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+end of testfile