go.mod: update asciidoctor-go module to fix default embedded CSS

By default, the document contains ":stylesheet:" attribute, which
means using the default embedded CSS.
To disable it, unset the attribute using ":stylesheet!:".
To overwrite it, set the attribute to path of CSS file
":stylesheet: my.css".

5 files changed, 14 insertions, 11 deletions

diff --git a/filehtml.go b/filehtml.go
index da1de1d..f770ad8 100644
--- a/filehtml.go
+++ b/filehtml.go
@@ -12,8 +12,7 @@ import (
 )
 
 const (
-	metadataStylesheet = `stylesheet`
-	metadataTitle      = `title`
+	metadataTitle = `title`
 )
 
 // fileHTML represent an HTML metadata for header and its body.
@@ -45,8 +44,10 @@ func (fhtml *fileHTML) unpackAdocMetadata(doc *asciidoctor.Document) {
 
 	for k, v = range doc.Attributes.Entry {
 		switch k {
-		case metadataStylesheet:
-			fhtml.Styles = append(fhtml.Styles, v)
+		case asciidoctor.DocAttrStylesheet:
+			if len(v) != 0 {
+				fhtml.Styles = append(fhtml.Styles, v)
+			}
 		case asciidoctor.DocAttrAuthorNames:
 			fhtml.Metadata[asciidoctor.DocAttrAuthor] = v
 		case asciidoctor.DocAttrDescription,
@@ -79,7 +80,7 @@ func (fhtml *fileHTML) unpackMarkdownMetadata(metadata map[string]any) {
 
 		key = strings.ToLower(key)
 		switch key {
-		case metadataStylesheet:
+		case asciidoctor.DocAttrStylesheet:
 			fhtml.Styles = append(fhtml.Styles, vstr)
 		case metadataTitle:
 			fhtml.Title = vstr
diff --git a/go.mod b/go.mod
index 6ba3584..e8747c9 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ module git.sr.ht/~shulhan/ciigo
 go 1.23.4
 
 require (
-	git.sr.ht/~shulhan/asciidoctor-go v0.7.0
+	git.sr.ht/~shulhan/asciidoctor-go v0.7.1
 	git.sr.ht/~shulhan/pakakeh.go v0.60.1
 	github.com/yuin/goldmark v1.7.10
 	github.com/yuin/goldmark-meta v1.1.0
diff --git a/go.sum b/go.sum
index 262366c..ebee8da 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-git.sr.ht/~shulhan/asciidoctor-go v0.7.0 h1:ENd9RgN1erERljh0nTHegllRHq/S18gzMkOt6YOyFrk=
-git.sr.ht/~shulhan/asciidoctor-go v0.7.0/go.mod h1:vwv7RMfWN6YAF7j2exJ/K1/ncoYX/tD6FLPgFzjeWfE=
+git.sr.ht/~shulhan/asciidoctor-go v0.7.1 h1:xdxLRufyEZA6plVLjrYk5VDBHbbxRmV+1d8RpYbly3k=
+git.sr.ht/~shulhan/asciidoctor-go v0.7.1/go.mod h1:vwv7RMfWN6YAF7j2exJ/K1/ncoYX/tD6FLPgFzjeWfE=
 git.sr.ht/~shulhan/pakakeh.go v0.60.1 h1:JGke3BIh40tK+d9eHg0jYi/W+GVixWcGwFkAcynSBSY=
 git.sr.ht/~shulhan/pakakeh.go v0.60.1/go.mod h1:8t/pEqWDrEcyr26qR5sXJkF1M5tFhrs3Jzr5aYoZdIo=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
diff --git a/testdata/goembed/GoEmbed_test.txt b/testdata/goembed/GoEmbed_test.txt
index bd509cb..d800731 100644
--- a/testdata/goembed/GoEmbed_test.txt
+++ b/testdata/goembed/GoEmbed_test.txt
@@ -57,11 +57,11 @@ func generate_testdata_in_clu_de_file_html() *memfs.Node {
 		Path:        "/clu/de/file.html",
 		ContentType: "text/html; charset=utf-8",
 		GenFuncName: "generate_testdata_in_clu_de_file_html",
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+		Content:     []byte("\x3C\x21\x44\x4F\x43\x54\x59\x50\x45\x20\x68\x74\x6D\x6C\x3E\x0A\x3C\x68\x74\x6D\x6C\x3E\x0A\x09\x3C\x68\x65\x61\x64\x3E\x0A\x09\x09\x3C\x6D\x65\x74\x61\x20\x68\x74\x74\x70\x2D\x65\x71\x75\x69\x76\x3D\x22\x43\x6F\x6E\x74\x65\x6E\x74\x2D\x54\x79\x70\x65\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x74\x65\x78\x74\x2F\x68\x74\x6D\x6C\x3B\x20\x63\x68\x61\x72\x73\x65\x74\x3D\x75\x74\x66\x2D\x38\x22\x3E\x0A\x09\x09\x3C\x6D\x65\x74\x61\x20\x6E\x61\x6D\x65\x3D\x22\x76\x69\x65\x77\x70\x6F\x72\x74\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x77\x69\x64\x74\x68\x3D\x64\x65\x76\x69\x63\x65\x2D\x77\x69\x64\x74\x68\x2C\x20\x69\x6E\x69\x74\x69\x61\x6C\x2D\x73\x63\x61\x6C\x65\x3D\x31\x22\x3E\x0A\x09\x09\x3C\x6D\x65\x74\x61\x20\x6E\x61\x6D\x65\x3D\x22\x74\x68\x65\x6D\x65\x2D\x63\x6F\x6C\x6F\x72\x22\x20\x63\x6F\x6E\x74\x65\x6E\x74\x3D\x22\x23\x33\x37\x35\x45\x41\x42\x22\x3E\x0A\x09\x09\x3C\x74\x69\x74\x6C\x65\x3E\x64\x75\x6D\x6D\x79\x3C\x2F\x74\x69\x74\x6C\x65\x3E\x0A\x09\x09\x3C\x73\x74\x79\x6C\x65\x3E\x0A\x09\x09\x62\x6F\x64\x79\x7B\x7D\x0A\x09\x09\x3C\x2F\x73\x74\x79\x6C\x65\x3E\x0A\x09\x3C\x2F\x68\x65\x61\x64\x3E\x0A\x09\x3C\x62\x6F\x64\x79\x3E\x0A\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x74\x6F\x70\x62\x61\x72\x22\x3E\x0A\x09\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x22\x3E\x0A\x09\x09\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x74\x6F\x70\x2D\x68\x65\x61\x64\x69\x6E\x67\x22\x3E\x0A\x09\x09\x09\x09\x09\x3C\x61\x20\x68\x72\x65\x66\x3D\x22\x2F\x22\x3E\x64\x75\x6D\x6D\x79\x3C\x2F\x61\x3E\x0A\x09\x09\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x6D\x65\x6E\x75\x22\x3E\x0A\x09\x09\x09\x09\x09\x3C\x66\x6F\x72\x6D\x20\x63\x6C\x61\x73\x73\x3D\x22\x69\x74\x65\x6D\x22\x20\x61\x63\x74\x69\x6F\x6E\x3D\x22\x2F\x5F\x69\x6E\x74\x65\x72\x6E\x61\x6C\x2F\x73\x65\x61\x72\x63\x68\x22\x3E\x0A\x09\x09\x09\x09\x09\x09\x3C\x69\x6E\x70\x75\x74\x20\x74\x79\x70\x65\x3D\x22\x74\x65\x78\x74\x22\x20\x6E\x61\x6D\x65\x3D\x22\x71\x22\x20\x70\x6C\x61\x63\x65\x68\x6F\x6C\x64\x65\x72\x3D\x22\x53\x65\x61\x72\x63\x68\x22\x20\x2F\x3E\x0A\x09\x09\x09\x09\x09\x3C\x2F\x66\x6F\x72\x6D\x3E\x0A\x09\x09\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x70\x61\x67\x65\x22\x3E\x0A\x09\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x63\x6F\x6E\x74\x61\x69\x6E\x65\x72\x22\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x68\x65\x61\x64\x65\x72\x22\x3E\x0A\x3C\x68\x31\x3E\x64\x75\x6D\x6D\x79\x3C\x2F\x68\x31\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x63\x6F\x6E\x74\x65\x6E\x74\x22\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x66\x6F\x6F\x74\x65\x72\x22\x3E\x0A\x3C\x64\x69\x76\x20\x69\x64\x3D\x22\x66\x6F\x6F\x74\x65\x72\x2D\x74\x65\x78\x74\x22\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x09\x3C\x64\x69\x76\x20\x63\x6C\x61\x73\x73\x3D\x22\x66\x6F\x6F\x74\x65\x72\x22\x3E\x0A\x09\x09\x09\x50\x6F\x77\x65\x72\x65\x64\x20\x62\x79\x20\x3C\x61\x0A\x09\x09\x09\x09\x68\x72\x65\x66\x3D\x22\x68\x74\x74\x70\x73\x3A\x2F\x2F\x67\x69\x74\x2E\x73\x72\x2E\x68\x74\x2F\x7E\x73\x68\x75\x6C\x68\x61\x6E\x2F\x63\x69\x69\x67\x6F\x22\x0A\x09\x09\x09\x3E\x0A\x09\x09\x09\x09\x63\x69\x69\x67\x6F\x0A\x09\x09\x09\x3C\x2F\x61\x3E\x0A\x09\x09\x3C\x2F\x64\x69\x76\x3E\x0A\x09\x3C\x2F\x62\x6F\x64\x79\x3E\x0A\x3C\x2F\x68\x74\x6D\x6C\x3E"),
 	}
 	node.SetMode(0o644)
 	node.SetName("file.html")
-	node.SetSize(906)
+	node.SetSize(902)
 	return node
 }
 
diff --git a/testdata/watcher_test.txt b/testdata/watcher_test.txt
index 811a44f..df24c48 100644
--- a/testdata/watcher_test.txt
+++ b/testdata/watcher_test.txt
@@ -10,7 +10,9 @@
 		<meta name="viewport" content="width=device-width, initial-scale=1">
 		<meta name="theme-color" content="#375EAB">
 		<title>watch create</title>
-		<link rel="stylesheet" href="">
+		<style>
+		body{}
+		</style>
 	</head>
 	<body>
 		<div class="topbar">