Fix import renaming of macros

src/runestone.jl

@@ -1106,7 +1106,7 @@ function format_as(ctx::Context, node::Node)
     # Alias-identifier
     idx += 1
     kid = kids[idx]
-    @assert kind(kid) in KSet"Identifier $"
+    @assert kind(kid) in KSet"Identifier $ @"
     if !is_leaf(kid)
         @assert kind(first_leaf(kid)) !== K"Whitespace"
     end
@@ -1115,6 +1115,13 @@ function format_as(ctx::Context, node::Node)
     end
     accept_node!(ctx, kid)
     any_changes && push!(kids′, kid)
+    if kind(kid) === K"@"
+        idx += 1
+        kid = kids[idx]
+        @assert kind(kid) === K"MacroName"
+        accept_node!(ctx, kid)
+        any_changes && push!(kids′, kid)
+    end
     # Reset stream
     seek(ctx.fmt_io, pos)
     return any_changes ? make_node(node, kids′) : nothing

test/runtests.jl

@@ -829,6 +829,8 @@ end
     @test format_string("quote\nimport A as \$a\nend") == "quote\n    import A as \$a\nend"
     @test format_string(":(import A as \$a)") == ":(import A as \$a)"
     @test format_string("@eval import A as \$a") == "@eval import A as \$a"
+    # Macro-aliases
+    @test format_string("import  A.@a  as  @b") == "import A.@a as @b"
 end
 
 @testset "spaces in export/public" begin