patch 7.4.984
Problem: searchpos() always starts searching in the first column, which is
not what some people expect. (Brett Stahlman)
Solution: Add the 'z' flag: start at the specified column.
diff --git a/src/testdir/test_searchpos.vim b/src/testdir/test_searchpos.vim
new file mode 100644
index 0000000..4a1e024
--- /dev/null
+++ b/src/testdir/test_searchpos.vim
@@ -0,0 +1,28 @@
+" Tests for searchpos()
+
+func Test_searchpos()
+ new one
+ 0put ='1a3'
+ 1put ='123xyz'
+ call cursor(1, 1)
+ call assert_equal([1, 1, 2], searchpos('\%(\([a-z]\)\|\_.\)\{-}xyz', 'pcW'))
+ call cursor(1, 2)
+ call assert_equal([2, 1, 1], searchpos('\%(\([a-z]\)\|\_.\)\{-}xyz', 'pcW'))
+ set cpo-=c
+ call cursor(1, 2)
+ call assert_equal([1, 2, 2], searchpos('\%(\([a-z]\)\|\_.\)\{-}xyz', 'pcW'))
+ call cursor(1, 3)
+ call assert_equal([1, 3, 1], searchpos('\%(\([a-z]\)\|\_.\)\{-}xyz', 'pcW'))
+
+ " Now with \zs, first match is in column 0, "a" is matched.
+ call cursor(1. 3)
+ call assert_equal([2, 4, 2], searchpos('\%(\([a-z]\)\|\_.\)\{-}\zsxyz', 'pcW'))
+ " With z flag start at cursor column, don't see the "a".
+ call cursor(1. 3)
+ call assert_equal([2, 4, 1], searchpos('\%(\([a-z]\)\|\_.\)\{-}\zsxyz', 'pcWz'))
+
+ set cpo+=c
+ " close the window
+ q!
+
+endfunc