eg today for http://packages.gentoo.org/package/sys-fs/udev this is displayed : sys-fs/udev Linux dynamic and persistent device naming support (aka userspace devfs) 24 Aug 2014; Samuli Suominen (ssuominen) udev-216.ebuild: Apply upstream commits http://cgit.freedesktop.org/systemd/systemd/commit/src/ shared/missing.h?id=a7d611f280b3eadafd6b411b659a321b4d6e63f4 and http://cgit.f reedesktop.org/systemd/systemd/commit/src/shared/missing.h?id=2de1851fe3611c59 abf77127c6b5bc1b91eb7cba to fix building on MIPS wrt #520720 by David Holm and both http://links are cutted at line wrap position.
Changelogs in the upcoming version of the site consist of the first line of the git commit which very unlikely to contain a URL. Gitweb is used to display anything else.