# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1520086505 -3600
# Node ID 53f15c99a9fd0dfbe07acbbf67f30e9806d2e1aa
# Parent  00577b3b9aae69809a5cfd9a01f193c756c45b46
patch 8.0.1557: printf() does not work with only one argument

commit https://github.com/vim/vim/commit/c71807db9c1821baf86796cd76952df36ff1a29a
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Mar 3 15:06:52 2018 +0100

    patch 8.0.1557: printf() does not work with only one argument

    Problem:    printf() does not work with only one argument. (Daniel Hahler)
    Solution:   Allow using just the format. (Ken Takata, closes https://github.com/vim/vim/issues/2687)

diff --git a/src/evalfunc.c b/src/evalfunc.c
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -738,7 +738,7 @@ static struct fst
     {"pow",		2, 2, f_pow},
 #endif
     {"prevnonblank",	1, 1, f_prevnonblank},
-    {"printf",		2, 19, f_printf},
+    {"printf",		1, 19, f_printf},
     {"pumvisible",	0, 0, f_pumvisible},
 #ifdef FEAT_PYTHON3
     {"py3eval",		1, 1, f_py3eval},
diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -131,6 +131,9 @@ func Test_option_value()
 endfunc
 
 function Test_printf_misc()
+  call assert_equal('123', printf('123'))
+  call assert_fails("call printf('123', 3)", "E767:")
+
   call assert_equal('123', printf('%d', 123))
   call assert_equal('123', printf('%i', 123))
   call assert_equal('123', printf('%D', 123))
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -779,6 +779,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1557,
+/**/
     1556,
 /**/
     1555,