On 2022-07-13 09:42, Brian Cluff via PLUG-discuss wrote:
> On 7/12/22 22:41, Jim via PLUG-discuss wrote:
>> About a year ago, I  wanted to be able to access the degree (°)
>> without launching an app to show  the seldom used characters then
>> finding the one I wanted and copying it and pasting it.  I found
>> a way to modify the windows key so if I hold it down while
>> pressing o twice, I get °.

> Under system setting go to input devices and then keyboard.  Under
> the keyboard settings click on the advanced tab and then check
> Configure keyboard options.  Then scroll down to "Position of Compose
> key" and expand that.

To make this more general, this key is Multi_key, and I explained how 
to map a key to it just a few days ago on this list.  Start xev from a 
terminal.  While xev is running, push the key you want and remember 
which keycode it generates, something like "keycode 105 (keysym 0xff20, 
Control_R)".  Then do "xmodmap -e 'keycode 105 = Multi_key' ".  Now 
holding this key and pushing o twice will give you a degree sign.  There 
are a ton of mappings for lots of symbols in the 
/usr/share/X11/locale/en_US.UTF-8/Compose file.

Also, in the default mappings for X11, the Windows key is usually the 
Super modifier.  This is used for the special desktop effects in KDE, 
lie Super-+ for zoom in, Super-- for zoom out, Super-* for "toggle mouse 
click info", etcetera.  System Settings->Workspace Behavior->Desktop 
Effects.

-- 
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There is no Darkness in Eternity
But only Light too dim for us to see.
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