emerge -s m4 outputed result doesn't include sys-devel/m4 but emerge -s M4 does Reproducible: Always Steps to Reproduce: 1. 2. 3.
$ emerge -sq m4 Searching... [ Results for search key : m4 ] [ Applications found : 8 ] * dev-java/dom4j * dev-libs/dvacm4 * net-misc/bcm4400 * sci-biology/embassy-esim4 * sci-biology/sim4 * sys-devel/m4 * xfce-base/xfwm4 * xfce-extra/xfwm4-themes Using 2.0.51.19