patch 8.2.3482: reading beyond end of line ending in quote and backslash

Problem:    Reading beyond end of line ending in quote and backslash.
Solution:   Check for non-NUL after backslash. (closes #8964)

src/cindent.c

@@ -82,10 +82,10 @@ skip_string(char_u *p)
     {
 	if (p[0] == '\'')		    // 'c' or '\n' or '\000'
 	{
-	    if (!p[1])			    // ' at end of line
+	    if (p[1] == NUL)		    // ' at end of line
 		break;
 	    i = 2;
-	    if (p[1] == '\\')		    // '\n' or '\000'
+	    if (p[1] == '\\' && p[2] != NUL)    // '\n' or '\000'
 	    {
 		++i;
 		while (vim_isdigit(p[i - 1]))   // '\000'

src/testdir/test_cindent.vim

@@ -5307,4 +5307,11 @@ func Test_cindent_pragma()
   enew! | close
 endfunc
 
+func Test_backslash_at_end_of_line()
+  new
+  exe "norm v>O'\\\<C-m>-"
+  exe "norm \<C-q>="
+  bwipe!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3482,
 /**/
     3481,
 /**/