MediaWiki:Apihelp-query+extlinks-param-protocol
Protocol of the URL. If empty and $1query is set, the protocol is http. Leave both this and $1query empty to list all external links.
Protocol of the URL. If empty and $1query is set, the protocol is http. Leave both this and $1query empty to list all external links.
Llorens, C., Futami, R., Covelli, L., Dominguez-Escriba, L., Viu, J.M., Tamarit, D., Aguilar-Rodriguez, J. Vicente-Ripolles, M., Fuster, G., Bernet, G.P., Maumus, F., Munoz-Pomer, A., Sempere, J.M., LaTorre, A., Moya, A. (2011) The Gypsy Database (GyDB) of Mobile Genetic Elements: Release 2.0 Nucleic Acids Research (NARESE) 39 (suppl 1): D70-D74 doi: 10.1093/nar/gkq1061