Some of the web-pages on my site are very slim. I've recently noticed that Google appears to qualify such pages as "Soft 404":
The target URL doesn't exist, but your server is not returning a 404 (file not found) error. Learn more
Your server returns a code other than 404 or 410 for a non-existent page (or redirecting users to another page, such as the homepage, instead of returning a 404). This creates a poor experience for searchers and search engines.
This is incorrect. They should be included in the index.
One such example is http://ports.su/www/apache-httpd-openbsd, which as of now appears to have about 2 lines of unique content, probably around 140 characters, especially if you subtract words from the URL from the page itself.
How do I tell Google these short pages are normal? What happened with the concept of each page only having as little information as is necessary?