Finding the docs for the GCC-specific diagnostic formats isn't easy. This might help.
OK for wwwdocs? --- htdocs/codingconventions.html | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/htdocs/codingconventions.html b/htdocs/codingconventions.html index e4d30510..f1d1f165 100644 --- a/htdocs/codingconventions.html +++ b/htdocs/codingconventions.html @@ -333,7 +333,8 @@ code token.</li> <li>Diagnostics using the GCC diagnostic functions should generally use the GCC-specific formats such as <code>%qs</code> or <code>%<</code> and <code>%></code> for quoting and -<code>%m</code> for <code>errno</code> numbers.</li> +<code>%m</code> for <code>errno</code> numbers. See +<tt>pp_format</tt> in <tt>pretty-print.cc</tt> for supported formats.</li> <li>Identifiers should generally be formatted with <code>%E</code> or <code>%qE</code>; use of <code>identifier_to_locale</code> is needed -- 2.37.3