Require at least one space between line block parameters

diff --git a/grammar.ebnf b/grammar.ebnf
index d68dbb200f3a9eb3c36b504ee0d9e76836fc2294..f1dfba287f968dfadb3aaedb631b8688fb2921e2 100644 (file)
--- a/grammar.ebnf
+++ b/grammar.ebnf
@@ -131,7 +131,7 @@ line_block_close
 \r
 line_block_parameters\r
     =\r
-    @+:block_parameter { { !"\n" SP }* @+:block_parameter }*\r
+    @+:block_parameter { { !"\n" SP }+ @+:block_parameter }*\r
     ;\r
 \r
 implicit_identifier_tuple\r