If a digraph sequence occurs inside another token, for example a quoted string, or a character constant, it will not be replaced.
Link: Digraphs and trigraphs - Wikipedia
Digraph sequence cannot be included in another token string. Why is that?
If a digraph sequence occurs inside another token, for example a quoted string, or a character constant, it will not be replaced.
Link: Digraphs and trigraphs - Wikipedia
