Merge pull request #1866 from mgreter/hotfix/test-regression-1243

Hotfix for test spec regression issue 1243

Author: mgreter

src/debugger.hpp

@@ -321,6 +321,7 @@ inline void debug_ast(AST_Node* node, std::string ind, Env* env)
     std::cerr << ind << "Debug " << block;
     std::cerr << " (" << pstate_source_position(node) << ")";
     std::cerr << " " << block->tabs() << std::endl;
+    debug_ast(block->value(), ind + " ");
   } else if (dynamic_cast<Comment*>(node)) {
     Comment* block = dynamic_cast<Comment*>(node);
     std::cerr << ind << "Comment " << block;

src/parser.cpp

@@ -1068,6 +1068,7 @@ namespace Sass {
           exactly<'{'>,
           exactly<')'>,
           exactly<':'>,
+          exactly<0>,
           exactly<ellipsis>,
           default_flag,
           global_flag
@@ -1093,6 +1094,7 @@ namespace Sass {
             exactly<'{'>,
             exactly<')'>,
             exactly<':'>,
+            exactly<0>,
             exactly<ellipsis>,
             default_flag,
             global_flag
@@ -1119,6 +1121,7 @@ namespace Sass {
           exactly<')'>,
           exactly<','>,
           exactly<':'>,
+          exactly<0>,
           exactly<ellipsis>,
           default_flag,
           global_flag
@@ -1136,6 +1139,7 @@ namespace Sass {
                exactly<')'>,
                exactly<','>,
                exactly<':'>,
+               exactly<0>,
                exactly<ellipsis>,
                default_flag,
                global_flag