# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1655924403 -7200
# Node ID 9bc63b4f9c33bf977734f6c3de91966e14b60c14
# Parent  6b6b004c3db4b298f6e26c45b1a86925bdc3beb1
patch 8.2.5151: reading beyond the end of the line with lisp indenting

Commit: https://github.com/vim/vim/commit/8eba2bd291b347e3008aa9e565652d51ad638cfa
Author: Bram Moolenaar <Bram@vim.org>
Date:   Wed Jun 22 19:59:28 2022 +0100

    patch 8.2.5151: reading beyond the end of the line with lisp indenting

    Problem:    Reading beyond the end of the line with lisp indenting.
    Solution:   Avoid going over the NUL at the end of the line.

diff --git a/src/indent.c b/src/indent.c
--- a/src/indent.c
+++ b/src/indent.c
@@ -2076,8 +2076,11 @@ get_lisp_indent(void)
 		    amount += 2;
 		else
 		{
-		    that++;
-		    amount++;
+		    if (*that != NUL)
+		    {
+			that++;
+			amount++;
+		    }
 		    firsttry = amount;
 
 		    while (VIM_ISWHITE(*that))
diff --git a/src/testdir/test_lispwords.vim b/src/testdir/test_lispwords.vim
--- a/src/testdir/test_lispwords.vim
+++ b/src/testdir/test_lispwords.vim
@@ -1,4 +1,5 @@
-" Tests for 'lispwords' settings being global-local
+" Tests for 'lispwords' settings being global-local.
+" And  other lisp indent stuff.
 
 set nocompatible viminfo+=nviminfo
 
@@ -85,4 +86,13 @@ func Test_lisp_indent()
   set nolisp
 endfunc
 
+func Test_lisp_indent_works()
+  " This was reading beyond the end of the line
+  new
+  exe "norm a\tü(\<CR>="
+  set lisp
+  norm ==
+  bwipe!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5151,
+/**/
     5150,
 /**/
     5149,