33.2.5 Adding a new configuration setting on the fly

Besides overriding existing settings in the configuration file, you can use a configuration-variable assignment to specify a persistent override for a setting that is not even present in your configuration file, provided both of the following are true:

• [Section] is listed as subject to overrides in one of Table 33-2 through Table 33-6.

• Key is a valid key for the section.

If the section is not listed, or the key is not valid for the section, the setting you specify is treated instead as an error, with value “0” (zero).

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