vim-patch:8.2.0867: using \{xxx} for encoding a modifier is not nice

Problem:    Using \{xxx} for encoding a modifier is not nice.
Solution:   Use \<*xxx> instead, since it's the same as \<xxx> but producing a
            different code.
https://github.com/vim/vim/commit/fccd93f0917234b962ce07d1df3adf9d7105936f

Use this notation in langmap_spec.

1 files changed, 3 insertions, 6 deletions

diff --git a/src/nvim/viml/parser/expressions.c b/src/nvim/viml/parser/expressions.c
index 1beae0d003..b0fbc586b2 100644
--- a/src/nvim/viml/parser/expressions.c
+++ b/src/nvim/viml/parser/expressions.c
@@ -1815,15 +1815,12 @@ static void parse_quoted_string(ParserState *const pstate, ExprASTNode *const no
           *v_p++ = (char)ch;
           break;
         }
-        // Special key, e.g.: "\<C-W>" or "\{C-W}"
-        case '<':
-        case '{': {
+        // Special key, e.g.: "\<C-W>"
+        case '<': {
           int flags = FSK_KEYCODE | FSK_IN_STRING;
 
-          if (*p == '<') {
+          if (p[1] != '*') {
             flags |= FSK_SIMPLIFY;
-          } else {
-            flags |= FSK_CURLY;
           }
           const size_t special_len = trans_special((const char_u **)&p, (size_t)(e - p),
                                                    (char_u *)v_p, flags, NULL);