The "-e" option to grep is not needed unless specifying more than one
pattern, which we don't do. Remove it to avoid restricting the tests on
platforms that do not have a grep that recognises "-e".
Signed-off-by: John Keeping <john@keeping.me.uk>
The link-generating functions are updated to use the new html_url_arg
function, thereby fixing links to strange repos, branches and files.
Also, the test-suite is updated to verify some cases of strange urls.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>