* Allow empty argument lists in function definitions (e.g., `{}:

  bla').  Also allow trailing commas (`{x, y,}: ...') as a unintented
  consequence.  Hopefully the reduce/reduce conflict won't cause any
  problems.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index 3540058bc1e0..1c06240fdab0 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -249,6 +249,7 @@ expr_list
 formals
   : formal ',' formals { $$ = ATinsert($3, $1); } /* idem - right recursive */
   | formal { $$ = ATinsert(ATempty, $1); }
+  | { $$ = ATempty; }
   ;
 
 formal