⚠️ By default, this rule reports format leakage in the TOC because of unclosed apostrophes or formatting tags in the header as warnings.

Examples of incorrect code for { "format-leakage": 2 }:

=='''Foo==

==<s>Foo==

This option can be configured to specify the severity of unclosed apostrophes in the header. See also: Help:Lint errors/unclosed-quotes-in-heading.

Examples of incorrect code for { "format-leakage": [ 0, { "apostrophe": 2 } ] }:

==''Foo==

Examples of correct code for { "format-leakage": { "apostrophe": 0 } }:

==''Foo==

This rule can be configured for specific formatting HTML tags by providing an object with the tag name as the key and the severity as the value. See also: Help:Lint errors/missing-end-tag-in-heading.

Examples of incorrect code for { "format-leakage": [ 0, { "i": 2 } ] }:

==<i>Foo==

Examples of correct code for { "format-leakage": { "i": 0 } }:

==<i>Foo==