util: fix code block language in docs

Without {.xml}, Doxygen interprets the code as C. See [1] for
details.

[1]: https://www.doxygen.nl/manual/commands.html#cmdcode

Signed-off-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
Simon Ser 2022-05-05 12:18:16 +02:00
parent 93b61fde1f
commit 5e4253ed50

View File

@ -182,7 +182,7 @@ struct wl_message {
* For example, consider a protocol interface `foo`, marked as version `1`, with
* two requests and one event.
*
* \code
* \code{.xml}
* <interface name="foo" version="1">
* <request name="a"></request>
* <request name="b"></request>