they changed the whole website..
https://github.com/kovidgoyal/calibr...agazine.recipe
made some errors..
last line
html = '<html><body>'+
'<p class="cat">' + cat + '</p>' + '<h1>' + title +.....
and to extra_css = '.cat{color:gray;}'
and self.timefmt = ' [' + ...
add a gap before square bracket, if not it attaches to title[