For help commands, ensure all keys of a mouse sequence are reported.
This solves the problem where read_key_sequence initializes and uses a global buffer raw_keybuf, yet is called recusrsively. The initialization is now done elsewhere, avoiding the reinitialization of that global buffer. * src/keyboard.c (command_loop_1, read_key_sequence_vs): Initialize raw_event_count before calling read_key_sequence. (read_char_x_menu_prompt): Call x_popup_menu_1 in place of Fx_popup_menu. (init_raw_keybuf_count): New function. (read_key_sequence): Remove initialization of raw_event_count. Add a missing GROW_RAW_KEYBUF invocation. * src/keyboard.h: (init_raw_keybuf_count): New declaration. * src/menu.c: (x_popup_menu_1): New function with the functionality of the former Fx_popup_menu. (Fx_popup_menu): Replace with function which initializes raw_event_count then calls x_popup_menu_1. * src/menu.h: (x_popup_menu_1): New declaration.
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