multi-line copy/paste, more copy/paste

fix C and D in nimbus romono

docs/system/writing_windows.md

@@ -15,6 +15,8 @@ Since the windows and the window manager are separate binaries, they need some w
 
 The serialization format is in `ming-wm-lib/src/serialize.rs`. Make sure any newlines (`\n`) in strings are removed before/after serializations. When doing IPC, the window manager assumes the response to a query is one line, so if a newline is present, it will fail to parse the response.
 
+> In the case of `WindowMessage::Request(WindowManagerRequest::ClipboardCopy(<copy_string>))`, windows should convert any `\n` into `𐘂` when copying to clipboard and vice versa when pasting, in order to allow for multi-line clipboard contents.
+
 ## Hello, World!
 
 A minimal example using `ming-wm-lib`.

docs/window-likes/audio-player.md

@@ -14,6 +14,8 @@ Type to write commands, backspace to delete last character, and enter to run com
 
 Tab completion is supported for the `<dir>` and `<dir / playlist file>` arguments.
 
+The copy shortcut will copy the currently playing song's file name, if there is a currently playing song.
+
 ## Playlists
 
 Example playlist file:

docs/window-likes/terminal.md

@@ -25,7 +25,7 @@ To get sudo to read from stdin, the `-S` option will need to be used (eg, `sudo
 
 ## Copy / Paste
 
-This window-like supports the paste [shortcut](../system/shortcuts.md) (`Alt+P`) if in INPUT or STDIN mode.
+This window-like supports the paste [shortcut](../system/shortcuts.md) (`Alt+P`) if in INPUT or STDIN mode. The copy shortcut will copy the output of the last ran command.
 
 ## Notes