Parses GML version 2.
| OpenLayers. | Parses GML version 2. | 
| Constructor | |
| OpenLayers. | Create a parser for GML v2. | 
Create a parser for GML v2.
| options | {Object} An optional object whose properties will be set on this instance. | 
| featureType | {String} Local (without prefix) feature typeName (required). | 
| featureNS | {String} Feature namespace (required). | 
| geometryName | {String} Geometry element name. |