#@1 is no longer an embedded variable

Author: nobu

parse.y

@@ -7013,9 +7013,6 @@ parser_peek_variable_name(struct parser_params *p)
 	    if (++ptr >= p->lex.pend) return 0;
 	    c = *ptr;
 	}
-	else if (ISDIGIT(c)) {
-	    return tSTRING_DVAR;
-	}
 	break;
       case '{':
 	p->lex.pcur = ptr;

test/ripper/test_scanner_events.rb

@@ -269,7 +269,7 @@ def test_embvar
                  scan('embvar', '"#@ivar"')
     assert_equal ['#'],
                  scan('embvar', '"#@@cvar"')
-    assert_equal ['#'],
+    assert_equal [],
                  scan('embvar', '"#@1"')
     assert_equal [],
                  scan('embvar', '"#lvar"')

test/ruby/test_parse.rb

@@ -358,6 +358,7 @@ def test_dstr
     assert_equal("foo 1 bar", "foo #@@foo bar")
     "1" =~ /(.)/
     assert_equal("foo 1 bar", "foo #$1 bar")
+    assert_equal('foo #@1 bar', eval('"foo #@1 bar"'))
   end
 
   def test_dstr_disallowed_variable