Fix stripping of trailing `;` in listlike

src/runestone.jl

@@ -612,7 +612,13 @@ function spaces_in_listlike(ctx::Context, node::Node)
                         end
                     else
                         # Nothing in the parameter node needed, overwrite it fully
+                        any_kid_changed = true
                         replace_bytes!(ctx, "", span(kid′))
+                        if any_kid_changed
+                            if kids′ === kids
+                                kids′ = kids[1:(i - 1)]
+                            end
+                        end
                     end
                 else
                     # TODO: Tag for requiring trailing comma.

test/runtests.jl

@@ -264,9 +264,10 @@ end
             @test format_string("# a\n$(a)$(sp),\n# b\n$(b)") ==
                 "# a\n$(a),\n    # b\n    $(b)"
         end
-        # Single item
+        # Single item with trailing `,` and `;`
         @test format_string("($(sp)$(a)$(sp),$(sp))") == "($(a),)"
-        @test format_string("f($(sp)$(a)$(sp),$(sp))") == "f($(a))"
+        @test format_string("f($(sp)$(a)$(sp),$(sp))") ==
+            format_string("f($(sp)$(a)$(sp);$(sp))") == "f($(a))"
         # Keyword arguments
         @test format_string("f($(sp)$(a)$(sp);$(sp)$(b)$(sp))") ==
             format_string("f($(sp)$(a)$(sp);$(sp)$(b)$(sp),$(sp))") ==