tried to run it with htmlmin -p img link --keep-optional-attribute-quotes file.xhtml file_minified.xhtml
but I get error because still <link href="style.css" type="text/css" rel="stylesheet" /> gets converted to <link href="style.css" type="text/css" rel="stylesheet"> and <img src="image.gif" alt="" /> to <img src="image.gif" alt>
tried to run it with
htmlmin -p img link --keep-optional-attribute-quotes file.xhtml file_minified.xhtmlbut I get error because still
<link href="style.css" type="text/css" rel="stylesheet" />gets converted to<link href="style.css" type="text/css" rel="stylesheet">and<img src="image.gif" alt="" />to<img src="image.gif" alt>