Merge branch 'main' (early part) into next

Author: krlmlr

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: igraph
 Title: Network Analysis and Visualization
-Version: 2.2.1.9001
+Version: 2.2.1.9002
 Authors@R: c(
     person("Gábor", "Csárdi", , "[email protected]", role = "aut",
            comment = c(ORCID = "0000-0001-7098-9676")),

NAMESPACE

@@ -275,6 +275,7 @@ export(count_isomorphisms)
 export(count_max_cliques)
 export(count_motifs)
 export(count_multiple)
+export(count_reachable)
 export(count_subgraph_isomorphisms)
 export(count_triangles)
 export(create.communities)