a-h
diff --git a/‎benchmarks/templ/template_templ.go
+1 b/‎benchmarks/templ/template_templ.go
+1
diff --git a/‎cmd/templ/generatecmd/testwatch/testdata/templates_templ.go
+1 b/‎cmd/templ/generatecmd/testwatch/testdata/templates_templ.go
+1
diff --git a/‎cmd/templ/lspcmd/httpdebug/list_templ.go
+1 b/‎cmd/templ/lspcmd/httpdebug/list_templ.go
+1
diff --git a/‎cmd/templ/visualize/sourcemapvisualisation_templ.go
+7 b/‎cmd/templ/visualize/sourcemapvisualisation_templ.go
+7
diff --git a/‎examples/blog/posts_templ.go
+7 b/‎examples/blog/posts_templ.go
+7
diff --git a/‎examples/counter-basic/components_templ.go
+3 b/‎examples/counter-basic/components_templ.go
+3
diff --git a/‎examples/counter/components/components_templ.go
+3 b/‎examples/counter/components/components_templ.go
+3
diff --git a/‎examples/external-libraries/components_templ.go
+2 b/‎examples/external-libraries/components_templ.go
+2
diff --git a/‎examples/hello-world-ssr/hello_templ.go
+1 b/‎examples/hello-world-ssr/hello_templ.go
+1
diff --git a/‎examples/hello-world-static/hello_templ.go
+1 b/‎examples/hello-world-static/hello_templ.go
+1
diff --git a/‎examples/integration-chi/home_templ.go
+1 b/‎examples/integration-chi/home_templ.go
+1
diff --git a/‎examples/integration-echo/home_templ.go
+1 b/‎examples/integration-echo/home_templ.go
+1
diff --git a/‎examples/integration-gin/home_templ.go
+1 b/‎examples/integration-gin/home_templ.go
+1
diff --git a/‎examples/integration-go-echarts/components_templ.go
+1 b/‎examples/integration-go-echarts/components_templ.go
+1
diff --git a/‎examples/integration-gofiber/home_templ.go
+2 b/‎examples/integration-gofiber/home_templ.go
+2
diff --git a/‎examples/integration-react/components_templ.go
+3 b/‎examples/integration-react/components_templ.go
+3
diff --git a/‎examples/static-generator/blog_templ.go
+4 b/‎examples/static-generator/blog_templ.go
+4
diff --git a/‎examples/syntax-and-usage/components/templsyntax_templ.go
+1 b/‎examples/syntax-and-usage/components/templsyntax_templ.go
+1
diff --git a/‎generator/generator.go
+13 b/‎generator/generator.go
+13
diff --git a/‎generator/test-a-href/template_templ.go
+1 b/‎generator/test-a-href/template_templ.go
+1
diff --git a/‎generator/test-attribute-escaping/template_templ.go
+1 b/‎generator/test-attribute-escaping/template_templ.go
+1
@@ -225,6 +225,10 @@ func (g *generator) writeCSS(n parser.CSSTemplate) error {
 	var err error
 	var indentLevel int
 
+	//line SomeFilename.templ:20
+	if _, err = g.w.Write(fmt.Sprintf("//line %s:%d\n", g.tf.FileName, n.Name.Range.From.Line+1)); err != nil {
+		return err
+	}
 	// func
 	if _, err = g.w.Write("func "); err != nil {
 		return err
@@ -349,6 +353,11 @@ func (g *generator) writeTemplate(nodeIdx int, t parser.HTMLTemplate) error {
 	var err error
 	var indentLevel int
 
+	//line SomeFilename.templ:20
+	if _, err = g.w.Write(fmt.Sprintf("//line %s:%d\n", g.tf.FileName, t.Expression.Range.From.Line+1)); err != nil {
+		return err
+	}
+
 	// func
 	if _, err = g.w.Write("func "); err != nil {
 		return err
@@ -1388,6 +1397,10 @@ func (g *generator) writeScript(t parser.ScriptTemplate) error {
 	var err error
 	var indentLevel int
 
+	//line SomeFilename.templ:20
+	if _, err = g.w.Write(fmt.Sprintf("//line %s:%d\n", g.tf.FileName, t.Parameters.Range.From.Line+1)); err != nil {
+		return err
+	}
 	// func
 	if _, err = g.w.Write("func "); err != nil {
 		return err