diff --git a/attribute/generated.go b/attribute/generated.go
index 0e28556..887785b 100644
--- a/attribute/generated.go
+++ b/attribute/generated.go
@@ -5,6 +5,255 @@ package attribute
 
 import "gitlab.codemonkeysoftware.net/b/hatmill"
 
+// Accept creates a "accept" attribute
+func Accept(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "accept",
+		Value: value,
+	}
+}
+
+// AcceptCharset creates a "accept-charset" attribute
+func AcceptCharset(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "accept-charset",
+		Value: value,
+	}
+}
+
+// Accesskey creates a "accesskey" attribute
+func Accesskey(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "accesskey",
+		Value: value,
+	}
+}
+
+// Action creates a "action" attribute
+func Action(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "action",
+		Value: value,
+	}
+}
+
+// Align creates a "align" attribute
+func Align(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "align",
+		Value: value,
+	}
+}
+
+// Allow creates a "allow" attribute
+func Allow(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "allow",
+		Value: value,
+	}
+}
+
+// Alt creates a "alt" attribute
+func Alt(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "alt",
+		Value: value,
+	}
+}
+
+// Async creates a "async" attribute
+func Async() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "async",
+	}
+}
+
+// Autocapitalize creates a "autocapitalize" attribute
+func Autocapitalize(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "autocapitalize",
+		Value: value,
+	}
+}
+
+// Autocomplete creates a "autocomplete" attribute
+func Autocomplete(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "autocomplete",
+		Value: value,
+	}
+}
+
+// Autofocus creates a "autofocus" attribute
+func Autofocus() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "autofocus",
+	}
+}
+
+// Autoplay creates a "autoplay" attribute
+func Autoplay() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "autoplay",
+	}
+}
+
+// Buffered creates a "buffered" attribute
+func Buffered(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "buffered",
+		Value: value,
+	}
+}
+
+// Challenge creates a "challenge" attribute
+func Challenge(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "challenge",
+		Value: value,
+	}
+}
+
+// Charset creates a "charset" attribute
+func Charset(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "charset",
+		Value: value,
+	}
+}
+
+// Checked creates a "checked" attribute
+func Checked() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "checked",
+	}
+}
+
+// Cite creates a "cite" attribute
+func Cite(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "cite",
+		Value: value,
+	}
+}
+
+// Class creates a "class" attribute
+func Class(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "class",
+		Value: value,
+	}
+}
+
+// Cols creates a "cols" attribute
+func Cols(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "cols",
+		Value: value,
+	}
+}
+
+// Colspan creates a "colspan" attribute
+func Colspan(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "colspan",
+		Value: value,
+	}
+}
+
+// Content creates a "content" attribute
+func Content(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "content",
+		Value: value,
+	}
+}
+
+// Contenteditable creates a "contenteditable" attribute
+func Contenteditable(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "contenteditable",
+		Value: value,
+	}
+}
+
+// Contextmenu creates a "contextmenu" attribute
+func Contextmenu(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "contextmenu",
+		Value: value,
+	}
+}
+
+// Controls creates a "controls" attribute
+func Controls() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "controls",
+	}
+}
+
+// Coords creates a "coords" attribute
+func Coords(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "coords",
+		Value: value,
+	}
+}
+
+// Crossorigin creates a "crossorigin" attribute
+func Crossorigin(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "crossorigin",
+		Value: value,
+	}
+}
+
+// Datetime creates a "datetime" attribute
+func Datetime(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "datetime",
+		Value: value,
+	}
+}
+
+// Decoding creates a "decoding" attribute
+func Decoding(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "decoding",
+		Value: value,
+	}
+}
+
+// Default creates a "default" attribute
+func Default() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "default",
+	}
+}
+
+// Defer creates a "defer" attribute
+func Defer() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "defer",
+	}
+}
+
+// Dir creates a "dir" attribute
+func Dir(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "dir",
+		Value: value,
+	}
+}
+
+// Dirname creates a "dirname" attribute
+func Dirname(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "dirname",
+		Value: value,
+	}
+}
+
 // Disabled creates a "disabled" attribute
 func Disabled() hatmill.Attrib {
 	return hatmill.Attrib{
@@ -12,6 +261,125 @@ func Disabled() hatmill.Attrib {
 	}
 }
 
+// Download creates a "download" attribute
+func Download(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "download",
+		Value: value,
+	}
+}
+
+// Draggable creates a "draggable" attribute
+func Draggable(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "draggable",
+		Value: value,
+	}
+}
+
+// Dropzone creates a "dropzone" attribute
+func Dropzone(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "dropzone",
+		Value: value,
+	}
+}
+
+// Enctype creates a "enctype" attribute
+func Enctype(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "enctype",
+		Value: value,
+	}
+}
+
+// For creates a "for" attribute
+func For(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "for",
+		Value: value,
+	}
+}
+
+// Form creates a "form" attribute
+func Form(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "form",
+		Value: value,
+	}
+}
+
+// Formaction creates a "formaction" attribute
+func Formaction(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "formaction",
+		Value: value,
+	}
+}
+
+// Headers creates a "headers" attribute
+func Headers(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "headers",
+		Value: value,
+	}
+}
+
+// Height creates a "height" attribute
+func Height(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "height",
+		Value: value,
+	}
+}
+
+// Hidden creates a "hidden" attribute
+func Hidden() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "hidden",
+	}
+}
+
+// High creates a "high" attribute
+func High(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "high",
+		Value: value,
+	}
+}
+
+// Href creates a "href" attribute
+func Href(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "href",
+		Value: value,
+	}
+}
+
+// Hreflang creates a "hreflang" attribute
+func Hreflang(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "hreflang",
+		Value: value,
+	}
+}
+
+// HttpEquiv creates a "http-equiv" attribute
+func HttpEquiv(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "http-equiv",
+		Value: value,
+	}
+}
+
+// Icon creates a "icon" attribute
+func Icon(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "icon",
+		Value: value,
+	}
+}
+
 // Id creates a "id" attribute
 func Id(value string) hatmill.Attrib {
 	return hatmill.Attrib{
@@ -20,6 +388,356 @@ func Id(value string) hatmill.Attrib {
 	}
 }
 
+// Integrity creates a "integrity" attribute
+func Integrity(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "integrity",
+		Value: value,
+	}
+}
+
+// Ismap creates a "ismap" attribute
+func Ismap() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "ismap",
+	}
+}
+
+// Itemprop creates a "itemprop" attribute
+func Itemprop(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "itemprop",
+		Value: value,
+	}
+}
+
+// Keytype creates a "keytype" attribute
+func Keytype(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "keytype",
+		Value: value,
+	}
+}
+
+// Kind creates a "kind" attribute
+func Kind(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "kind",
+		Value: value,
+	}
+}
+
+// Label creates a "label" attribute
+func Label(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "label",
+		Value: value,
+	}
+}
+
+// Lang creates a "lang" attribute
+func Lang(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "lang",
+		Value: value,
+	}
+}
+
+// Language creates a "language" attribute
+func Language(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "language",
+		Value: value,
+	}
+}
+
+// List creates a "list" attribute
+func List(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "list",
+		Value: value,
+	}
+}
+
+// Loop creates a "loop" attribute
+func Loop() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "loop",
+	}
+}
+
+// Low creates a "low" attribute
+func Low(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "low",
+		Value: value,
+	}
+}
+
+// Manifest creates a "manifest" attribute
+func Manifest(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "manifest",
+		Value: value,
+	}
+}
+
+// Max creates a "max" attribute
+func Max(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "max",
+		Value: value,
+	}
+}
+
+// Maxlengh creates a "maxlengh" attribute
+func Maxlengh(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "maxlengh",
+		Value: value,
+	}
+}
+
+// Media creates a "media" attribute
+func Media(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "media",
+		Value: value,
+	}
+}
+
+// Method creates a "method" attribute
+func Method(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "method",
+		Value: value,
+	}
+}
+
+// Min creates a "min" attribute
+func Min(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "min",
+		Value: value,
+	}
+}
+
+// Minlength creates a "minlength" attribute
+func Minlength(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "minlength",
+		Value: value,
+	}
+}
+
+// Multiple creates a "multiple" attribute
+func Multiple() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "multiple",
+	}
+}
+
+// Muted creates a "muted" attribute
+func Muted() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "muted",
+	}
+}
+
+// Name creates a "name" attribute
+func Name(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "name",
+		Value: value,
+	}
+}
+
+// Novalidate creates a "novalidate" attribute
+func Novalidate() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "novalidate",
+	}
+}
+
+// Open creates a "open" attribute
+func Open() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "open",
+	}
+}
+
+// Optimum creates a "optimum" attribute
+func Optimum(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "optimum",
+		Value: value,
+	}
+}
+
+// Pattern creates a "pattern" attribute
+func Pattern(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "pattern",
+		Value: value,
+	}
+}
+
+// Ping creates a "ping" attribute
+func Ping(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "ping",
+		Value: value,
+	}
+}
+
+// Placeholder creates a "placeholder" attribute
+func Placeholder(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "placeholder",
+		Value: value,
+	}
+}
+
+// Poster creates a "poster" attribute
+func Poster(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "poster",
+		Value: value,
+	}
+}
+
+// Preload creates a "preload" attribute
+func Preload(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "preload",
+		Value: value,
+	}
+}
+
+// Readonly creates a "readonly" attribute
+func Readonly() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "readonly",
+	}
+}
+
+// Referrerpolicy creates a "referrerpolicy" attribute
+func Referrerpolicy(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "referrerpolicy",
+		Value: value,
+	}
+}
+
+// Rel creates a "rel" attribute
+func Rel(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "rel",
+		Value: value,
+	}
+}
+
+// Required creates a "required" attribute
+func Required() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "required",
+	}
+}
+
+// Reversed creates a "reversed" attribute
+func Reversed() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "reversed",
+	}
+}
+
+// Rows creates a "rows" attribute
+func Rows(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "rows",
+		Value: value,
+	}
+}
+
+// Rowspan creates a "rowspan" attribute
+func Rowspan(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "rowspan",
+		Value: value,
+	}
+}
+
+// Sandbox creates a "sandbox" attribute
+func Sandbox(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "sandbox",
+		Value: value,
+	}
+}
+
+// Scope creates a "scope" attribute
+func Scope(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "scope",
+		Value: value,
+	}
+}
+
+// Selected creates a "selected" attribute
+func Selected() hatmill.Attrib {
+	return hatmill.Attrib{
+		Key: "selected",
+	}
+}
+
+// Shape creates a "shape" attribute
+func Shape(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "shape",
+		Value: value,
+	}
+}
+
+// Size creates a "size" attribute
+func Size(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "size",
+		Value: value,
+	}
+}
+
+// Sizes creates a "sizes" attribute
+func Sizes(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "sizes",
+		Value: value,
+	}
+}
+
+// Slot creates a "slot" attribute
+func Slot(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "slot",
+		Value: value,
+	}
+}
+
+// Span creates a "span" attribute
+func Span(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "span",
+		Value: value,
+	}
+}
+
+// Spellcheck creates a "spellcheck" attribute
+func Spellcheck(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "spellcheck",
+		Value: value,
+	}
+}
+
 // Src creates a "src" attribute
 func Src(value string) hatmill.Attrib {
 	return hatmill.Attrib{
@@ -27,3 +745,131 @@ func Src(value string) hatmill.Attrib {
 		Value: value,
 	}
 }
+
+// Srcdoc creates a "srcdoc" attribute
+func Srcdoc(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "srcdoc",
+		Value: value,
+	}
+}
+
+// Srclang creates a "srclang" attribute
+func Srclang(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "srclang",
+		Value: value,
+	}
+}
+
+// Srcset creates a "srcset" attribute
+func Srcset(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "srcset",
+		Value: value,
+	}
+}
+
+// Start creates a "start" attribute
+func Start(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "start",
+		Value: value,
+	}
+}
+
+// Step creates a "step" attribute
+func Step(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "step",
+		Value: value,
+	}
+}
+
+// Style creates a "style" attribute
+func Style(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "style",
+		Value: value,
+	}
+}
+
+// Summary creates a "summary" attribute
+func Summary(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "summary",
+		Value: value,
+	}
+}
+
+// Tabindex creates a "tabindex" attribute
+func Tabindex(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "tabindex",
+		Value: value,
+	}
+}
+
+// Target creates a "target" attribute
+func Target(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "target",
+		Value: value,
+	}
+}
+
+// Title creates a "title" attribute
+func Title(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "title",
+		Value: value,
+	}
+}
+
+// Translate creates a "translate" attribute
+func Translate(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "translate",
+		Value: value,
+	}
+}
+
+// Type creates a "type" attribute
+func Type(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "type",
+		Value: value,
+	}
+}
+
+// Usemap creates a "usemap" attribute
+func Usemap(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "usemap",
+		Value: value,
+	}
+}
+
+// Value creates a "value" attribute
+func Value(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "value",
+		Value: value,
+	}
+}
+
+// Width creates a "width" attribute
+func Width(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "width",
+		Value: value,
+	}
+}
+
+// Wrap creates a "wrap" attribute
+func Wrap(value string) hatmill.Attrib {
+	return hatmill.Attrib{
+		Key:   "wrap",
+		Value: value,
+	}
+}
diff --git a/defs.json b/defs.json
index 5360de6..6697efc 100644
--- a/defs.json
+++ b/defs.json
@@ -1,8 +1,116 @@
 {
   "attributes": [
+    {"name": "accept", "type": "string"},
+    {"name": "accept-charset", "type": "string"},
+    {"name": "accesskey", "type": "string"},
+    {"name": "action", "type": "string"},
+    {"name": "align", "type": "string"},
+    {"name": "allow", "type": "string"},
+    {"name": "alt", "type": "string"},
+    {"name": "async", "type": "bool"},
+    {"name": "autocapitalize", "type": "string"},
+    {"name": "autocomplete", "type": "string"},
+    {"name": "autofocus", "type": "bool"},
+    {"name": "autoplay", "type": "bool"},
+    {"name": "buffered", "type": "string"},
+    {"name": "challenge", "type": "string"},
+    {"name": "charset", "type": "string"},
+    {"name": "checked", "type": "bool"},
+    {"name": "cite", "type": "string"},
+    {"name": "class", "type": "string"},
+    {"name": "cols", "type": "string"},
+    {"name": "colspan", "type": "string"},
+    {"name": "content", "type": "string"},
+    {"name": "contenteditable", "type": "string"},
+    {"name": "contextmenu", "type": "string"},
+    {"name": "controls", "type": "bool"},
+    {"name": "coords", "type": "string"},
+    {"name": "crossorigin", "type": "string"},
+    {"name": "datetime", "type": "string"},
+    {"name": "decoding", "type": "string"},
+    {"name": "default", "type": "bool"},
+    {"name": "defer", "type": "bool"},
+    {"name": "dir", "type": "string"},
+    {"name": "dirname", "type": "string"},
     {"name": "disabled", "type": "bool"},
+    {"name": "download", "type": "string"},
+    {"name": "draggable", "type": "string"},
+    {"name": "dropzone", "type": "string"},
+    {"name": "enctype", "type": "string"},
+    {"name": "for", "type": "string"},
+    {"name": "form", "type": "string"},
+    {"name": "formaction", "type": "string"},
+    {"name": "headers", "type": "string"},
+    {"name": "height", "type": "string"},
+    {"name": "hidden", "type": "bool"},
+    {"name": "high", "type": "string"},
+    {"name": "href", "type": "string"},
+    {"name": "hreflang", "type": "string"},
+    {"name": "http-equiv", "type": "string"},
+    {"name": "icon", "type": "string"},
     {"name": "id", "type": "string"},
-    {"name": "src", "type": "string"}
+    {"name": "integrity", "type": "string"},
+    {"name": "ismap", "type": "bool"},
+    {"name": "itemprop", "type": "string"},
+    {"name": "keytype", "type": "string"},
+    {"name": "kind", "type": "string"},
+    {"name": "label", "type": "string"},
+    {"name": "lang", "type": "string"},
+    {"name": "language", "type": "string"},
+    {"name": "list", "type": "string"},
+    {"name": "loop", "type": "bool"},
+    {"name": "low", "type": "string"},
+    {"name": "manifest", "type": "string"},
+    {"name": "max", "type": "string"},
+    {"name": "maxlengh", "type": "string"},
+    {"name": "media", "type": "string"},
+    {"name": "method", "type": "string"},
+    {"name": "min", "type": "string"},
+    {"name": "minlength", "type": "string"},
+    {"name": "multiple", "type": "bool"},
+    {"name": "muted", "type": "bool"},
+    {"name": "name", "type": "string"},
+    {"name": "novalidate", "type": "bool"},
+    {"name": "open", "type": "bool"},
+    {"name": "optimum", "type": "string"},
+    {"name": "pattern", "type": "string"},
+    {"name": "ping", "type": "string"},
+    {"name": "placeholder", "type": "string"},
+    {"name": "poster", "type": "string"},
+    {"name": "preload", "type": "string"},
+    {"name": "readonly", "type": "bool"},
+    {"name": "referrerpolicy", "type": "string"},
+    {"name": "rel", "type": "string"},
+    {"name": "required", "type": "bool"},
+    {"name": "reversed", "type": "bool"},
+    {"name": "rows", "type": "string"},
+    {"name": "rowspan", "type": "string"},
+    {"name": "sandbox", "type": "string"},
+    {"name": "scope", "type": "string"},
+    {"name": "selected", "type": "bool"},
+    {"name": "shape", "type": "string"},
+    {"name": "size", "type": "string"},
+    {"name": "sizes", "type": "string"},
+    {"name": "slot", "type": "string"},
+    {"name": "span", "type": "string"},
+    {"name": "spellcheck", "type": "string"},
+    {"name": "src", "type": "string"},
+    {"name": "srcdoc", "type": "string"},
+    {"name": "srclang", "type": "string"},
+    {"name": "srcset", "type": "string"},
+    {"name": "start", "type": "string"},
+    {"name": "step", "type": "string"},
+    {"name": "style", "type": "string"},
+    {"name": "summary", "type": "string"},
+    {"name": "tabindex", "type": "string"},
+    {"name": "target", "type": "string"},
+    {"name": "title", "type": "string"},
+    {"name": "translate", "type": "string"},
+    {"name": "type", "type": "string"},
+    {"name": "usemap", "type": "string"},
+    {"name": "value", "type": "string"},
+    {"name": "width", "type": "string"},
+    {"name": "wrap", "type": "string"}
   ],
   "elements": [
     {"name": "a"},
diff --git a/go.mod b/go.mod
index 71e73bb..f1e1ce8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,6 @@
 module gitlab.codemonkeysoftware.net/b/hatmill
 
-require github.com/leanovate/gopter v0.2.4
+require (
+	github.com/golang/mock v1.2.0 // indirect
+	github.com/leanovate/gopter v0.2.4
+)
diff --git a/go.sum b/go.sum
index c19f72b..f0b00dd 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,4 @@
+github.com/golang/mock v1.2.0 h1:28o5sBqPkBsMGnC6b4MvE2TzSr5/AT4c/1fLqVGIwlk=
+github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/leanovate/gopter v0.2.4 h1:U4YLBggDFhJdqQsG4Na2zX7joVTky9vHaj/AGEwSuXU=
 github.com/leanovate/gopter v0.2.4/go.mod h1:gNcbPWNEWRe4lm+bycKqxUYoH5uoVje5SkOJ3uoLer8=
diff --git a/hatmill_test.go b/hatmill_test.go
index a5a250b..598ba20 100644
--- a/hatmill_test.go
+++ b/hatmill_test.go
@@ -182,7 +182,9 @@ func Example() {
     userInput := "<script>launchMissiles();</script>"
 
     document := he.Html()(
-		he.Head()(),
+		he.Head()(
+			he.Meta(ha.HttpEquiv("refresh"), ha.Content("5")),
+		),
 		he.Body()(
 			he.Div()(
 				he.Img(ha.Src("./me.jpg"), ha.Id("profile-photo")),
@@ -192,5 +194,5 @@ func Example() {
 		),
 	)
 	hatmill.WriteDocument(os.Stdout, document)
-    // Output: <!DOCTYPE html><html><head></head><body><div><img src='./me.jpg' id='profile-photo'>&lt;script&gt;launchMissiles();&lt;/script&gt;<div disabled data-coolness='awesome'></div></div></body></html>
+    // Output: <!DOCTYPE html><html><head><meta http-equiv='refresh' content='5'></head><body><div><img src='./me.jpg' id='profile-photo'>&lt;script&gt;launchMissiles();&lt;/script&gt;<div disabled data-coolness='awesome'></div></div></body></html>
 }
diff --git a/internal/codegen/codegen.go b/internal/codegen/codegen.go
index b9dc1b6..7f7400b 100644
--- a/internal/codegen/codegen.go
+++ b/internal/codegen/codegen.go
@@ -19,6 +19,14 @@ package %s
 import "gitlab.codemonkeysoftware.net/b/hatmill"
 `
 
+func identifier(s string) string {
+	words := strings.Split(s, "-")
+	for i, word := range words {
+		words[i] = strings.Title(word)
+	}
+	return strings.Join(words, "")
+}
+
 func fileHeader(packageName string) string {
     return fmt.Sprintf(headerFmt, packageName)
 }
@@ -88,7 +96,7 @@ func (def AttribDef) Generate() string {
         panic(fmt.Errorf("unknown attribute type: %v", def.Type))
     }
 
-    return fmt.Sprintf(template, strings.Title(def.Name), def.Name)
+    return fmt.Sprintf(template, identifier(def.Name), def.Name)
 }
 
 type ElemDef struct {
@@ -125,7 +133,7 @@ func (def ElemDef) Generate() string {
     if def.Void {
         template = voidTemplate
     }
-    return fmt.Sprintf(template, strings.Title(def.Name), def.Name)
+    return fmt.Sprintf(template, identifier(def.Name), def.Name)
 }
 
 type Defs struct {