1 files changed, 4 insertions, 0 deletions

diff --git a/doc/developer-guidelines.sgml b/doc/developer-guidelines.sgml
index 44fca24..7bfcc73 100644
--- a/doc/developer-guidelines.sgml
+++ b/doc/developer-guidelines.sgml
@@ -731,6 +731,10 @@ setup the tests. Run "make test" to run all the tests.
 
         <para>You should use /* */ for comments and not // as some compilers
         do not handle the latter form.</para>
+
+        <para>You should also avoid using the type "bool" and its values
+        "true" and "false". Instead use the "int" type and the plugins' own
+        "TRUE"/"FALSE" values to keep the code uniformly.</para>
         </section>
 
         <section><title>Crediting sources</title>