doc/concepts.tex: Warn about allocating resources in init methods.

[sod] / doc / structures.tex

diff --git a/doc/structures.tex b/doc/structures.tex
index 1c9646f..c5c2219 100644 (file)
--- a/doc/structures.tex
+++ b/doc/structures.tex
@@ -201,7 +201,7 @@ recommended.
 
 \begin{describe}[SodClass]{cls}
     {[nick = cls, link = SodObject]                             \\
-     class SodClass : SodObject \{                              \\ \ind
+     class SodClass: SodObject \{                               \\ \ind
        const char *name;                                        \\
        const char *nick;                                        \\
        size_t initsz;                                           \\
@@ -409,7 +409,8 @@ and this is followed by corresponding members
   struct $A$__ichain_$h$ $a$;
 \end{prog}
 for each of $C$'s superclasses $A$ in the same chain in some (unimportant)
-order.
+order.  The (somewhat obtuse) purpose of this union is to engage the `common
+initial sequence' rule of \cite[6.5.2.3]{FIXME:C99}.
 
 \subsubsection{The ichain structure}
 The @|ichain| structure contains (in order), a pointer