pidgin/pidgin

Replace "do {" and "} while (0)" with G_STMT_START and G_STMT_END
For information on writing a plugin for Purple, Pidgin or Finch, go
https://developer.pidgin.im and click on API. From there, see the
HOWTOs in the "Related Pages" section.
You can also generate this documentation locally by passing
"--enable-gtk-doc" to ./configure, then running "make" in the source tree.
The documentation will be in the doc/reference/*/html directories.