# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1627749903 -7200
# Node ID e06540cc3371823f593d2d40e519ddd9e60833f4
# Parent  b36a3efee848fcea7c9110e2d931a22889a9adf9
patch 8.2.3257: calling prop_find() with -1 for ID gives errornous error

Commit: https://github.com/vim/vim/commit/8e3fc135e884a30620fb1c6e84986fae1467acd3
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Jul 31 18:33:57 2021 +0200

    patch 8.2.3257: calling prop_find() with -1 for ID gives errornous error

    Problem:    Calling prop_find() with -1 for ID gives errornous error. (Naohiro
                Ono)
    Solution:   When passing -1 use -2. (closes #8674)

diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -239,6 +239,9 @@ func Test_prop_find()
   let result = prop_find({'type': 'prop_name', 'lnum': 1}, 'f')
   call assert_equal(expected[0], result)
 
+  " When ID is -1 it's like prop is not found.
+  call assert_equal({}, prop_find({'id': -1}))
+
   call prop_clear(1,6)
   call prop_type_delete('prop_name')
 
diff --git a/src/textprop.c b/src/textprop.c
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -686,7 +686,11 @@ f_prop_find(typval_T *argvars, typval_T 
     skipstart = dict_get_bool(dict, (char_u *)"skipstart", 0);
 
     if (dict_find(dict, (char_u *)"id", -1) != NULL)
+    {
 	id = dict_get_number(dict, (char_u *)"id");
+	if (id == -1)
+	    id = -2;
+    }
     if (dict_find(dict, (char_u *)"type", -1))
     {
 	char_u	    *name = dict_get_string(dict, (char_u *)"type", FALSE);
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3257,
+/**/
     3256,
 /**/
     3255,