Please, add Requires: emacs-base-X11 to emacs26-X11 emacs-base-X11 should contain X11 emacs resources independent of emacs version. for now this is emacs icon. rpm -ql emacs-base-X11 /usr/share/icons/hicolor/128x128/apps/emacs.png /usr/share/icons/hicolor/16x16/apps/emacs.png /usr/share/icons/hicolor/24x24/apps/emacs.png /usr/share/icons/hicolor/32x32/apps/emacs.png /usr/share/icons/hicolor/48x48/apps/emacs.png /usr/share/icons/hicolor/scalable/apps/emacs.svg emacs icon is used, for example, in default icewm toolbar.
emacs26-26.3-alt13 -> sisyphus: Thu Nov 12 2020 Igor Vlasenko <viy@altlinux.ru> 26.3-alt13 - NMU: added Requires: on emacs-base-X11 (closes: #39029)