the parser finally parses 'echo {1,2}' as it should

compiler/parser.nim

@@ -255,13 +255,6 @@ proc isUnary(p: TParser): bool =
      p.tok.strongSpaceB == 0 and
      p.tok.strongSpaceA > 0:
       result = true
-      # versions prior to 0.13.0 used to do this:
-      when false:
-        if p.strongSpaces:
-          result = true
-        else:
-          parMessage(p, warnDeprecated,
-            "will be parsed as unary operator; inconsistent spacing")
 
 proc checkBinary(p: TParser) {.inline.} =
   ## Check if the current parser token is a binary operator.
@@ -700,12 +693,7 @@ proc primarySuffix(p: var TParser, r: PNode, baseIndent: int): PNode =
   result = r
 
   template somePar() =
-    if p.tok.strongSpaceA > 0:
-      if p.strongSpaces:
-        break
-      else:
-        parMessage(p, warnDeprecated,
-          "a [b] will be parsed as command syntax; spacing")
+    if p.tok.strongSpaceA > 0: break
   # progress guaranteed
   while p.tok.indent < 0 or
        (p.tok.tokType == tkDot and p.tok.indent >= baseIndent):