blampe · dmullis · Nov 23, 2025 · Nov 18, 2025 · Nov 23, 2025 · Nov 18, 2025
diff --git a/cmd/goat/main.go b/cmd/goat/main.go
@@ -38,6 +38,9 @@ func main() {
  See https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme
 `)
 	flag.Parse()
+	if flag.NArg() > 0 {
+		log.Fatalf("Superfluous arguments found on command line: %v", flag.Args())
+	}
 
 	input := os.Stdin
 	if inputFilename != "" {

diff --git a/examples/arrows.svg b/examples/arrows.svg
diff --git a/examples/big-grids.svg b/examples/big-grids.svg
diff --git a/examples/big-shapes.svg b/examples/big-shapes.svg
diff --git a/examples/block-characters.svg b/examples/block-characters.svg
diff --git a/examples/circle.svg b/examples/circle.svg
diff --git a/examples/circuits.svg b/examples/circuits.svg
diff --git a/examples/complicated.svg b/examples/complicated.svg
diff --git a/examples/debug.svg b/examples/debug.svg
diff --git a/examples/dot-grids.svg b/examples/dot-grids.svg
diff --git a/examples/edge-cases.svg b/examples/edge-cases.svg
diff --git a/examples/flow-chart.svg b/examples/flow-chart.svg
diff --git a/examples/graphics.svg b/examples/graphics.svg
diff --git a/examples/half-step-bugs.svg b/examples/half-step-bugs.svg
diff --git a/examples/hollow-circle.svg b/examples/hollow-circle.svg
diff --git a/examples/icons.svg b/examples/icons.svg
diff --git a/examples/incompatibilities.svg b/examples/incompatibilities.svg
diff --git a/examples/large-nodes.svg b/examples/large-nodes.svg
diff --git a/examples/line-decorations.svg b/examples/line-decorations.svg
diff --git a/examples/line-ends.svg b/examples/line-ends.svg
diff --git a/examples/overlaps.svg b/examples/overlaps.svg
diff --git a/examples/radius16circle.svg b/examples/radius16circle.svg
diff --git a/examples/regression.svg b/examples/regression.svg
diff --git a/examples/small-grids.svg b/examples/small-grids.svg
diff --git a/examples/small-nodes.svg b/examples/small-nodes.svg
diff --git a/examples/small-shapes.svg b/examples/small-shapes.svg
diff --git a/examples/standard-width.svg b/examples/standard-width.svg
diff --git a/examples/tiny-grids-irregular.svg b/examples/tiny-grids-irregular.svg
diff --git a/examples/tiny-grids.svg b/examples/tiny-grids.svg
diff --git a/examples/trees.svg b/examples/trees.svg
diff --git a/examples/unicode.svg b/examples/unicode.svg
diff --git a/goat.svg b/goat.svg