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8 changes: 7 additions & 1 deletion content/en/software/using-medley/keystrokes.md
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,13 @@ We'd like to improve keyboard handling but haven't yet found a path.

## Interrupt characters

These are enabled per-process. Medley maintains, for each process, a "termtable" which enables different kinds of interrupts. In general, the process (sometimes known as the "TTY" process or the process that "has the keyboard".
These are enabled per-process. Medley maintains, for each process, a "termtable" which enables different kinds of interrupts.

Usually, the user wants interrupts to occur in the TTY process, which is the one
currently receiving keyboard input. However, sometimes the user wants to interrupt
the mouse process, if it is currently busy executing a menu command or waiting
for the user to specify a region on the screen. Most of the interrupt characters
below take place in the mouse process if it is busy, otherwise the TTY process.

|character|action |
|---------|----------------------------------------- |
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