Associates a new string value with key under group_name. If key cannot be found then it is created. If group_name cannot be found then it is created. Unlike KeyFile.setValue, this function handles characters that need escaping, such as newlines.
a group name
a key
a string
2.6
Associates a new string value with key under group_name. If key cannot be found then it is created. If group_name cannot be found then it is created. Unlike KeyFile.setValue, this function handles characters that need escaping, such as newlines.