diff --git a/lib/mess/tree/reference.js b/lib/mess/tree/reference.js
index c58ed50..882c6ff 100644
--- a/lib/mess/tree/reference.js
+++ b/lib/mess/tree/reference.js
@@ -158,7 +158,7 @@ tree.Reference = {
                 "css": "marker-file",
                 "type": "uri" 
             },
-            "allow-overlap": {
+            "allow_overlap": {
                 "css": "marker-allow-overlap",
                 "type": "boolean",
                 "default-value": "false",
@@ -169,7 +169,7 @@ tree.Reference = {
                 "docs": "Space between repeated labels",
                 "type": "float" 
             },
-            "max-error": {
+            "max_error": {
                 "css": "marker-max-error",
                 "type": "float" 
             },
@@ -209,7 +209,7 @@ tree.Reference = {
                 "css": "shield-fill",
                 "type": "color" 
             },
-            "min-distance": {
+            "min_distance": {
                 "css": "shield-min-distance",
                 "type": "float",
                 "default-value": 0,
@@ -221,13 +221,13 @@ tree.Reference = {
                 "default-value": 0,
                 "doc": "The spacing between repeated occurrences of the same shield" 
             },
-            "character-spacing": {
+            "character_spacing": {
                 "css": "shield-spacing",
                 "type": "float",
                 "default-value": 0,
                 "doc": "Horizontal spacing between characters (in pixels). Currently works for point placement only, not line placement." 
             },
-            "line-spacing": {
+            "line_spacing": {
                 "css": "shield-line-spacing",
                 "doc": "Vertical spacing between lines of multiline labels (in pixels)",
                 "type": "float" 
@@ -370,7 +370,7 @@ tree.Reference = {
                 "css": "point-type",
                 "type": "none" 
             },
-            "allow-overlap": {
+            "allow_overlap": {
                 "css": "point-allow-overlap",
                 "type": "boolean",
                 "default-value": "false",
@@ -411,7 +411,7 @@ tree.Reference = {
                 "type": "float",
                 "type": "none" 
             },
-            "wrap-width": {
+            "wrap_width": {
                 "css": "text-wrap-width",
                 "doc": "Length of a chunk of text in characters before wrapping text",
                 "type": "float" 
@@ -420,21 +420,21 @@ tree.Reference = {
                 "css": "text-spacing",
                 "type": "float" 
             },
-            "character-spacing": {
+            "character_spacing": {
                 "css": "text-character-spacing",
                 "type": "float",
                 "default-value": 0 
             },
-            "line-spacing": {
+            "line_spacing": {
                 "css": "text-line-spacing",
                 "default-value": 0,
                 "type": "float" 
             },
-            "label-position-tolerance": {
+            "label_position_tolerance": {
                 "css": "text-label-position-tolerance",
                 "type": "float" 
             },
-            "max-char-angle-delta": {
+            "max_char_angle_delta": {
                 "css": "text-max-char-angle-delta",
                 "type": "float",
                 "default-value": "none",
@@ -472,16 +472,16 @@ tree.Reference = {
                 "doc": "Displace text by fixed amount, in pixels, +/- along the Y axis.  A positive value will shift the text down",
                 "default-value": 10
             },
-            "avoid-edges": {
+            "avoid_edges": {
                 "css": "text-avoid-edges",
                 "doc": "Tell positioning algorithm to avoid labeling near intersection edges.",
                 "type": "boolean" 
             },
-            "min-distance": {
+            "min_distance": {
                 "css": "text-min-distance",
                 "type": "float" 
             },
-            "allow-overlap": {
+            "allow_overlap": {
                 "css": "text-allow-overlap",
                 "type": "boolean",
                 "default-value": "false",
@@ -514,7 +514,7 @@ tree.Reference = {
                 "css": "text-meta-writer",
                 "type": "string",
                 "default-value": "" 
-            } 
+            }
         },
         "inline": {
             "color": {