diff --git a/config/Makefile b/config/Makefile
index 7be57fbcf..bf8fc3899 100644
--- a/config/Makefile
+++ b/config/Makefile
@@ -1,3 +1,16 @@
+# Copyright 2013 Prometheus Team
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 all: parser.y.go lexer.l.go
 
 parser.y.go: parser.y
diff --git a/config/config.go b/config/config.go
index ac866ef7c..290fa2d9c 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 import (
diff --git a/config/helpers.go b/config/helpers.go
index ab84032f7..af7251969 100644
--- a/config/helpers.go
+++ b/config/helpers.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 import (
diff --git a/config/lexer.l b/config/lexer.l
index 12dbef86c..5c0a28b3d 100644
--- a/config/lexer.l
+++ b/config/lexer.l
@@ -1,3 +1,16 @@
+/* Copyright 2013 Prometheus Team
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http: *www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License. */
+
 %{
 package config
 %}
diff --git a/config/lexer.l.go b/config/lexer.l.go
index 4ad6d7231..008b14a48 100644
--- a/config/lexer.l.go
+++ b/config/lexer.l.go
@@ -216,13 +216,13 @@ func yylex() int {
 
 	return 0
 }
-var S_GLOBAL yystartcondition = 1024
-var S_JOB yystartcondition = 1026
+var S_TARGETS yystartcondition = 1027
 var S_GLOBAL_LABELS yystartcondition = 1025
+var S_JOB yystartcondition = 1026
 var S_TARGET_LABELS yystartcondition = 1028
+var S_GLOBAL yystartcondition = 1024
 var S_COMMENTS yystartcondition = 1029
-var S_TARGETS yystartcondition = 1027
-var yystartconditionexclmap = map[yystartcondition]bool{S_GLOBAL: false, S_JOB: false, S_GLOBAL_LABELS: false, S_TARGET_LABELS: false, S_COMMENTS: true, S_TARGETS: false, }
+var yystartconditionexclmap = map[yystartcondition]bool{S_COMMENTS: true, S_TARGETS: false, S_GLOBAL_LABELS: false, S_JOB: false, S_TARGET_LABELS: false, S_GLOBAL: false, }
 var yyrules []yyrule = []yyrule{{regexp.MustCompile("[^\\n]"), nil, []yystartcondition{}, false, func() (yyar yyactionreturn) {
 	defer func() {
 		if r := recover(); r != nil {
diff --git a/config/load.go b/config/load.go
index c1bb7e3a9..f998cb337 100644
--- a/config/load.go
+++ b/config/load.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 import (
diff --git a/config/parser.y b/config/parser.y
index 3217da234..b24dbf771 100644
--- a/config/parser.y
+++ b/config/parser.y
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 %{
         package config
 
diff --git a/config/parser.y.go b/config/parser.y.go
index abbc24d5b..e9da8a6f4 100644
--- a/config/parser.y.go
+++ b/config/parser.y.go
@@ -1,11 +1,11 @@
 
-//line parser.y:2
+//line parser.y:15
         package config
 
         import "fmt"
-        import "github.com/prometheus/prometheus/model"
+        import "github.com/matttproud/prometheus/model"
 
-//line parser.y:8
+//line parser.y:21
 type yySymType struct {
 	yys int
         num model.SampleValue
@@ -39,7 +39,7 @@ const yyEofCode = 1
 const yyErrCode = 2
 const yyMaxDepth = 200
 
-//line parser.y:102
+//line parser.y:115
 
 
 //line yacctab:1
@@ -359,61 +359,61 @@ yydefault:
 	switch yynt {
 
 	case 4:
-		//line parser.y:32
+		//line parser.y:45
 		{ PopJob() }
 	case 7:
-		//line parser.y:40
+		//line parser.y:53
 		{ parsedConfig.Global.SetOption(yyS[yypt-2].str, yyS[yypt-0].str) }
 	case 8:
-		//line parser.y:42
+		//line parser.y:55
 		{ parsedConfig.Global.SetLabels(yyS[yypt-0].labelSet) }
 	case 9:
-		//line parser.y:44
+		//line parser.y:57
 		{ parsedConfig.Global.AddRuleFiles(yyS[yypt-0].stringSlice) }
 	case 10:
-		//line parser.y:48
+		//line parser.y:61
 		{ yyVAL.labelSet = yyS[yypt-1].labelSet }
 	case 11:
-		//line parser.y:50
+		//line parser.y:63
 		{ yyVAL.labelSet = model.LabelSet{} }
 	case 12:
-		//line parser.y:54
+		//line parser.y:67
 		{ yyVAL.labelSet = yyS[yypt-0].labelSet }
 	case 13:
-		//line parser.y:56
+		//line parser.y:69
 		{ for k, v := range yyS[yypt-0].labelSet { yyVAL.labelSet[k] = v } }
 	case 14:
-		//line parser.y:60
+		//line parser.y:73
 		{ yyVAL.labelSet = model.LabelSet{ model.LabelName(yyS[yypt-2].str): model.LabelValue(yyS[yypt-0].str) } }
 	case 15:
-		//line parser.y:64
+		//line parser.y:77
 		{ yyVAL.stringSlice = yyS[yypt-0].stringSlice }
 	case 18:
-		//line parser.y:72
+		//line parser.y:85
 		{ PushJobOption(yyS[yypt-2].str, yyS[yypt-0].str) }
 	case 19:
-		//line parser.y:74
+		//line parser.y:87
 		{ PushJobTargets() }
 	case 22:
-		//line parser.y:82
+		//line parser.y:95
 		{ PushTargetEndpoints(yyS[yypt-0].stringSlice) }
 	case 23:
-		//line parser.y:84
+		//line parser.y:97
 		{ PushTargetLabels(yyS[yypt-0].labelSet) }
 	case 24:
-		//line parser.y:88
+		//line parser.y:101
 		{ yyVAL.stringSlice = yyS[yypt-0].stringSlice }
 	case 25:
-		//line parser.y:92
+		//line parser.y:105
 		{ yyVAL.stringSlice = yyS[yypt-1].stringSlice }
 	case 26:
-		//line parser.y:94
+		//line parser.y:107
 		{ yyVAL.stringSlice = []string{} }
 	case 27:
-		//line parser.y:98
+		//line parser.y:111
 		{ yyVAL.stringSlice = []string{yyS[yypt-0].str} }
 	case 28:
-		//line parser.y:100
+		//line parser.y:113
 		{ yyVAL.stringSlice = append(yyVAL.stringSlice, yyS[yypt-0].str) }
 	}
 	goto yystack /* stack new state and value */
diff --git a/config/printer.go b/config/printer.go
index 992c51894..26d7c6bc1 100644
--- a/config/printer.go
+++ b/config/printer.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 import (
diff --git a/rules/Makefile b/rules/Makefile
index 890f74ece..7305903d2 100644
--- a/rules/Makefile
+++ b/rules/Makefile
@@ -1,3 +1,16 @@
+# Copyright 2013 Prometheus Team
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 all: parser.y.go lexer.l.go
 
 parser.y.go: parser.y
diff --git a/rules/ast/ast.go b/rules/ast/ast.go
index 3b74edc71..44dc7ea21 100644
--- a/rules/ast/ast.go
+++ b/rules/ast/ast.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package ast
 
 import (
diff --git a/rules/ast/functions.go b/rules/ast/functions.go
index f3e0930ce..d51f8ee1d 100644
--- a/rules/ast/functions.go
+++ b/rules/ast/functions.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package ast
 
 import (
diff --git a/rules/ast/persistence_adapter.go b/rules/ast/persistence_adapter.go
index 681f4c0b7..fe5d61e53 100644
--- a/rules/ast/persistence_adapter.go
+++ b/rules/ast/persistence_adapter.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package ast
 
 import (
diff --git a/rules/ast/printer.go b/rules/ast/printer.go
index d39fcbe00..1f38117ac 100644
--- a/rules/ast/printer.go
+++ b/rules/ast/printer.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package ast
 
 import (
diff --git a/rules/helpers.go b/rules/helpers.go
index 9f0951bc6..3008768d1 100644
--- a/rules/helpers.go
+++ b/rules/helpers.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package rules
 
 import (
diff --git a/rules/lexer.l b/rules/lexer.l
index 8f4663029..0f7fc7e15 100644
--- a/rules/lexer.l
+++ b/rules/lexer.l
@@ -1,3 +1,16 @@
+/* Copyright 2013 Prometheus Team
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http: *www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License. */
+
 %{
 package rules
 
diff --git a/rules/lexer.l.go b/rules/lexer.l.go
index aceeaec4a..a6e6876af 100644
--- a/rules/lexer.l.go
+++ b/rules/lexer.l.go
@@ -10,7 +10,7 @@ import (
 	"sort"
 )
 import (
-"github.com/prometheus/prometheus/model"
+"github.com/matttproud/prometheus/model"
 "strconv"
 )
 
diff --git a/rules/load.go b/rules/load.go
index c4f94235c..1b73683be 100644
--- a/rules/load.go
+++ b/rules/load.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package rules
 
 import (
diff --git a/rules/parser.y b/rules/parser.y
index 69b1d093c..850cf9536 100644
--- a/rules/parser.y
+++ b/rules/parser.y
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 %{
         package rules
 
diff --git a/rules/parser.y.go b/rules/parser.y.go
index 7e6b3c521..2ca007bd7 100644
--- a/rules/parser.y.go
+++ b/rules/parser.y.go
@@ -1,12 +1,12 @@
 
-//line parser.y:2
+//line parser.y:15
         package rules
 
         import "fmt"
-        import "github.com/prometheus/prometheus/model"
-        import "github.com/prometheus/prometheus/rules/ast"
+        import "github.com/matttproud/prometheus/model"
+        import "github.com/matttproud/prometheus/rules/ast"
 
-//line parser.y:9
+//line parser.y:22
 type yySymType struct {
 	yys int
         num model.SampleValue
@@ -52,7 +52,7 @@ const yyEofCode = 1
 const yyErrCode = 2
 const yyMaxDepth = 200
 
-//line parser.y:162
+//line parser.y:175
 
 
 //line yacctab:1
@@ -381,120 +381,120 @@ yydefault:
 	switch yynt {
 
 	case 5:
-		//line parser.y:52
+		//line parser.y:65
 		{ yylex.(*RulesLexer).parsedExpr = yyS[yypt-0].ruleNode }
 	case 6:
-		//line parser.y:56
+		//line parser.y:69
 		{
 	                       rule, err := CreateRule(yyS[yypt-3].str, yyS[yypt-2].labelSet, yyS[yypt-0].ruleNode, yyS[yypt-4].boolean)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                       yylex.(*RulesLexer).parsedRules = append(yylex.(*RulesLexer).parsedRules, rule)
 	                     }
 	case 7:
-		//line parser.y:64
+		//line parser.y:77
 		{ yyVAL.boolean = false }
 	case 8:
-		//line parser.y:66
+		//line parser.y:79
 		{ yyVAL.boolean = true }
 	case 9:
-		//line parser.y:70
+		//line parser.y:83
 		{ yyVAL.labelSet = model.LabelSet{} }
 	case 10:
-		//line parser.y:72
+		//line parser.y:85
 		{ yyVAL.labelSet = yyS[yypt-1].labelSet  }
 	case 11:
-		//line parser.y:74
+		//line parser.y:87
 		{ yyVAL.labelSet = model.LabelSet{} }
 	case 12:
-		//line parser.y:77
+		//line parser.y:90
 		{ yyVAL.labelSet = yyS[yypt-0].labelSet }
 	case 13:
-		//line parser.y:79
+		//line parser.y:92
 		{ for k, v := range yyS[yypt-0].labelSet { yyVAL.labelSet[k] = v } }
 	case 14:
-		//line parser.y:83
+		//line parser.y:96
 		{ yyVAL.labelSet = model.LabelSet{ model.LabelName(yyS[yypt-2].str): model.LabelValue(yyS[yypt-0].str) } }
 	case 15:
-		//line parser.y:88
+		//line parser.y:101
 		{ yyVAL.ruleNode = yyS[yypt-1].ruleNode }
 	case 16:
-		//line parser.y:90
+		//line parser.y:103
 		{ yyS[yypt-0].labelSet["name"] = model.LabelValue(yyS[yypt-1].str); yyVAL.ruleNode = ast.NewVectorLiteral(yyS[yypt-0].labelSet) }
 	case 17:
-		//line parser.y:92
+		//line parser.y:105
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-3].str, yyS[yypt-1].ruleNodeSlice)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 18:
-		//line parser.y:98
+		//line parser.y:111
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-2].str, []ast.Node{})
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 19:
-		//line parser.y:104
+		//line parser.y:117
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewMatrix(yyS[yypt-3].ruleNode, yyS[yypt-1].str)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 20:
-		//line parser.y:110
+		//line parser.y:123
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewVectorAggregation(yyS[yypt-4].str, yyS[yypt-2].ruleNode, yyS[yypt-0].labelNameSlice)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 21:
-		//line parser.y:118
+		//line parser.y:131
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 22:
-		//line parser.y:124
+		//line parser.y:137
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 23:
-		//line parser.y:130
+		//line parser.y:143
 		{
 	                       var err error
 	                       yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
 	                       if err != nil { yylex.Error(err.Error()); return 1 }
 	                     }
 	case 24:
-		//line parser.y:136
+		//line parser.y:149
 		{ yyVAL.ruleNode = ast.NewScalarLiteral(yyS[yypt-0].num)}
 	case 25:
-		//line parser.y:140
+		//line parser.y:153
 		{ yyVAL.labelNameSlice = []model.LabelName{} }
 	case 26:
-		//line parser.y:142
+		//line parser.y:155
 		{ yyVAL.labelNameSlice = yyS[yypt-1].labelNameSlice }
 	case 27:
-		//line parser.y:146
+		//line parser.y:159
 		{ yyVAL.labelNameSlice = []model.LabelName{model.LabelName(yyS[yypt-0].str)} }
 	case 28:
-		//line parser.y:148
+		//line parser.y:161
 		{ yyVAL.labelNameSlice = append(yyVAL.labelNameSlice, model.LabelName(yyS[yypt-0].str)) }
 	case 29:
-		//line parser.y:152
+		//line parser.y:165
 		{ yyVAL.ruleNodeSlice = []ast.Node{yyS[yypt-0].ruleNode} }
 	case 30:
-		//line parser.y:154
+		//line parser.y:167
 		{ yyVAL.ruleNodeSlice = append(yyVAL.ruleNodeSlice, yyS[yypt-0].ruleNode) }
 	case 31:
-		//line parser.y:158
+		//line parser.y:171
 		{ yyVAL.ruleNode = yyS[yypt-0].ruleNode }
 	case 32:
-		//line parser.y:160
+		//line parser.y:173
 		{ yyVAL.ruleNode = ast.NewStringLiteral(yyS[yypt-0].str) }
 	}
 	goto yystack /* stack new state and value */
diff --git a/rules/rules.go b/rules/rules.go
index cccadbd79..cc6b36daf 100644
--- a/rules/rules.go
+++ b/rules/rules.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package rules
 
 import (
diff --git a/rules/rules_test.go b/rules/rules_test.go
index c02fac029..49aae887e 100644
--- a/rules/rules_test.go
+++ b/rules/rules_test.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package rules
 
 import (
diff --git a/rules/testdata.go b/rules/testdata.go
index 4d5ab70e9..eb8ebcc67 100644
--- a/rules/testdata.go
+++ b/rules/testdata.go
@@ -1,3 +1,16 @@
+// Copyright 2013 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package rules
 
 import (