The following patch adds syntax highlighting for elog and eant,ejavac from java eclasses.
Created attachment 195511 [details, diff] Patch described
+ 28 Oct 2009; Gilles Dartiguelongue <eva@gentoo.org> files/2.0/gentoo.lang, + -gtksourceview-2.6.1.ebuild, files/gentoo.lang: + Clean up old revision and update gentoo lang file, bug #275110. + Thanks for reporting.