feynml.interface.qgraf.style

feynml.interface.qgraf.style = '\n<prologue>\n<<!--\n file generated by <program>\n\n<command_loop><command_line_loop> <command_data><end><end>\n\n You must add x= and y= with suitable vertex positions.\n Some lines may need manual bending to render properly.\n-->>\n<<feynml>>\n<diagram>\n  <back>\n <<diagram \n          id="Diagram<diagram_index>"\n          incoming="<legs_in>"\n          outgoing="<legs_out>"\n          sign="<sign>"\n          symmmetry_factor="<symmetry_factor>"\n >>\n\n<vertex_loop> \n  <<vertex id="Vert<vertex_index>">>\n  <</vertex>>\n<end>\n\n<in_loop>\n  <<leg id="In<in_index>">>  \n        <<name>><field><</name>>\n        <<sense>>incoming<</sense>>\n        <<target>>Vert<vertex_index><</target>>\n        <<momentum>>\n          <<name>><momentum><</name>>\n        <</momentum>>\n  <</leg>>\n<end>\n\n<out_loop> \n  <<leg id="Out<out_index>">>  \n        <<name>><field><</name>>\n        <<sense>>outgoing<</sense>>\n        <<target>>Vert<vertex_index><</target>>\n        <<momentum>>\n          <<name>><momentum><</name>>\n        <</momentum>>\n  <</leg>>\n<end>\n\n<propagator_loop> \n  <<propagator id="Prop<propagator_index>">>  \n        <<name>><field><</name>>\n        <<source>>Vert<dual-vertex_index><</source>>\n        <<target>>Vert<vertex_index><</target>>\n        <<momentum>>\n          <<name>><momentum><</name>>\n        <</momentum>>\n  <</propagator>>\n<end>\n\n <</diagram>>\n<epilogue>\n<</feynml>>\n\n<<!-- end -->>\n<exit>\n'

Style for qgraf to produce feynml.