Add subtitle in <title> so user/crawler know the group the page belongs to. #1457
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Currently, HTML
<title>
in most pages are{PageTitle} | Scala Documentation
.However, there are many pages uses exact same page title.
One example is "Overview". It is used 5 times in different contexts:
_overviews/scaladoc/overview.md
,_overviews/paralllel-collections/overview.md
,_overviews/reflections/overview.md
,_overviews/repl/overview.md
and_style/overview.md
Another example is 2 version of docs for "Collections", as mentioned in #1456.
Those 2 versions uses same titles.
This PR adds sub title in
<title>
to make it easy to distinguish pages.I think this improves UX when they share/bookmark pages.
It is also good for SEO, since search crawlers may get confused if the site uses identical titles many times.