Binding keys F10 to F20 display a warning about raw code or invalid key

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Bug summary

When trying to bind keys F10 to F20 (with or without a modifier), for example shift-f11, WeeChat displays a warning saying it could be a raw code or invalid key, although it's a perfectly valid key.

Steps to reproduce

1. Issue this command: /key bind shift-f11 /bar scroll nicklist * -100%

Current behavior

Warning displayed:

=!= | Warning: key "shift-f11" seems either a raw code or invalid, it may not work (see /help key)

But the key is added and works fine.

Expected behavior

Key added with no warning displayed.

Suggested solutions

Fix the order of aliases in list gui_key_alias_list to use first F10 to F20, then F0 to F9, so that longer aliases are found first when looping on this list (in src/gui/gui-key.c).

Additional information

Bug affects all versions >= 4.0.0.

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• WeeChat version: 4.2.0-dev (git: v4.1.0-70-gd96a3e6b5)
• OS, distribution and version: Debian Unstable
• Terminal: N/A
• Terminal multiplexer (screen/tmux/…/none): N/A