Fix single line module

src/runestone.jl

@@ -2176,8 +2176,8 @@ function indent_module(ctx::Context, node::Node)
         kids[block_idx] = block_node′
         any_kid_changed = true
     end
-    # Fifth node is the closing end keyword
+    # Skip until the closing end keyword
-    end_idx = 5
+    end_idx = findnext(x -> kind(x) === K"end", kids, block_idx + 1)
     end_node = kids[end_idx]
     @assert is_leaf(end_node) && kind(end_node) === K"end"
     if !has_tag(end_node, TAG_DEDENT)

test/runtests.jl

@@ -594,6 +594,8 @@ end
             # var"" as module name
             @test format_string("$(b)module var\"A\"\n$(sp)x\n$(sp)end\nf") ==
                 "$(b)module var\"A\"\n    x\nend\nf"
+            # single line module
+            @test format_string("$(b)module A; x; end\nf") == "$(b)module A; x; end\nf"
         end
         # tuple
         @test format_string("(a,\n$(sp)b)") == "(\n    a,\n    b,\n)"