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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 #2687)
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brammool committed Mar 3, 2018
1 parent 590ec87 commit c71807d
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Showing 3 changed files with 6 additions and 1 deletion.
2 changes: 1 addition & 1 deletion src/evalfunc.c
Expand Up @@ -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},
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3 changes: 3 additions & 0 deletions src/testdir/test_expr.vim
Expand Up @@ -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))
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2 changes: 2 additions & 0 deletions src/version.c
Expand Up @@ -778,6 +778,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1557,
/**/
1556,
/**/
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