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Antonio Borneo authored
By using the command "add_help_text" to add a help text to a TCL procedure it implicitly creates a new command_registration struct that has field .usage set to NULL. This triggers a debug message BUG: command '%s' does not have the '.usage' field filled out Use an empty string if usage field is NULL. Plus, do not annoy the user with a LOG_INFO when the command "add_usage_text" replaces an empty usage. Change-Id: I4a72646e0fb704ba354f938d774055540cde3967 Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Reviewed-on: http://openocd.zylin.com/5025 Tested-by: jenkins Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
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