set_string
Description:
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 [
method@GLib.KeyFile.set_value], this function handles characters that need escaping, such as newlines.
Parameters:
| this |
a key file |
| group_name |
a group name |
| key |
a key |
| string |
a string |