There's no single method of typing diacritics that works in every X application (that'd be true of anything in X by the way), but you can look in /usr/share/X11/locale/en_US.UTF-8/Compose (or whatever your locale is) and there's a huge list of things you can type with the multi key (normally alt-gr).
In GTK you can hold Ctrl+Shift and type u0307. Or you can set QT_IM_MODULE=xim GTK_IM_MODULE=xim and lose this ability, but instead you can have your own ~/.XCompose and put whatever combinations you want there. Never understood why these things cannot be made to work together. I use the second method and set up things like — « » á ѣ ѳ.
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timeasmymeasure
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Date: 2014-01-03 07:57 pm (UTC)In GTK you can hold Ctrl+Shift and type u0307. Or you can set QT_IM_MODULE=xim GTK_IM_MODULE=xim and lose this ability, but instead you can have your own ~/.XCompose and put whatever combinations you want there. Never understood why these things cannot be made to work together. I use the second method and set up things like — « » á ѣ ѳ.