Make external links open in new windows/tabs.

Author: grafikrobot

rfcs.adoc

@@ -66,25 +66,25 @@ _Bloomberg_ +
 [.cell]
 image:https://avatars.githubusercontent.com/bruxisma[role="{avatar-roles}"]
 [.title.is-4]#Izzy Muerte# +
-https://ixm.one/[IXM] and tooling {CPP} WG21 proposals
+https://ixm.one/[IXM^] and tooling {CPP} WG21 proposals
 
 [.cell]
 image:https://avatars.githubusercontent.com/grafikrobot[role="{avatar-roles}"]
 [.title.is-4]#René Ferdinand Rivera Morell# +
 _Disbelief LLC, Boost {CPP} Libraries, {CPP} Alliance, Chicago {CPP} UG_ +
-https://www.bfgroup.xyz/b2/[B2] and tooling {CPP} WG21 proposals
+https://www.bfgroup.xyz/b2/[B2^] and tooling {CPP} WG21 proposals
 
 [.cell]
 image:https://avatars.githubusercontent.com/drodri[role="{avatar-roles}"]
 [.title.is-4]#Diego Rodriguez-Losada# +
 _JFrog_ +
-https://conan.io/[Conan]
+https://conan.io/[Conan^]
 
 [.cell]
 image:https://avatars.githubusercontent.com/mwoehlke-kitware[role="{avatar-roles}"]
 [.title.is-4]#Matthew Woehlke# +
 _Kitware_ +
-https://github.com/cps-org/cps[Common Package Specification]
+https://github.com/cps-org/cps[Common Package Specification^]
 
 ++++
 </div>