vim-patch:8.2.4924: maparg() may return a string that cannot be reused

Problem:    maparg() may return a string that cannot be reused.
Solution:   use msg_outtrans_special() instead of str2special().
            (closes vim/vim#10384)
https://github.com/vim/vim/commit/0519ce00394474055bd58c089ea90a19986443eb

1 files changed, 5 insertions, 1 deletions

diff --git a/src/nvim/option.c b/src/nvim/option.c
index ff742ea10a..e738c6c3b9 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -4980,7 +4980,11 @@ int get_option_value(const char *name, long *numval, char **stringval, int opt_f
       return -2;
     }
     if (stringval != NULL) {
-      *stringval = xstrdup(*(char **)varp);
+      if ((char_u **)varp == &p_pt) {  // 'pastetoggle'
+        *stringval = str2special_save(*(char **)(varp), false, false);
+      } else {
+        *stringval = xstrdup(*(char **)(varp));
+      }
     }
     return 0;
   }