X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/489173a51e3020f7e0f73208c92ba0a03e21e048..74bf1b29b8cef573908180e6ab00cfeb6f324b46:/doc/structures.tex

diff --git a/doc/structures.tex b/doc/structures.tex
index a36ae82..37ca9e3 100644
--- a/doc/structures.tex
+++ b/doc/structures.tex
@@ -410,7 +410,7 @@ and this is followed by corresponding members
 \end{prog}
 for each of $C$'s superclasses $A$ in the same chain in some (unimportant)
 order.  The (somewhat obtuse) purpose of this union is to engage the `common
-initial sequence' rule of \cite[6.5.2.3]{FIXME:C99}.
+initial sequence' rule of \cite[6.5.2.3]{ISO:1990:IIP,ANSI:1999:AII}.
 
 \subsubsection{The ichain structure}
 The @|ichain| structure contains (in order), a pointer
@@ -450,9 +450,9 @@ superclass in the same chain, and each slot must be stored in exactly one
 place.  The layout of vtables doesn't have this second requirement: it
 doesn't matter that there are multiple method entry pointers for the same
 effective method as long as they all work correctly.  Indeed, it's essential
-that they do, because each chain's method entry function will need to apply a
-different offset to the receiver pointer before invoking the effective
-method.
+that there are multiple entry pointers, because each chain's method entry
+function will need to apply a different offset to the receiver pointer before
+invoking the effective method.
 
 A vtable for a class $C$ with chain head $H$ has the following general
 structure.
@@ -489,9 +489,9 @@ first.
 
 This is mostly an irrelevant detail, whose purpose is to defend against
 malicious compilers: pointers are always to one of the inner @|vt|
-structures. It's important only because it's the outer @|vtu| union which is
-exported by name. Specifically, for each chain of $C$'s superclasses there is
-an external object
+structures.  It's important only because it's the outer @|vtu| union which is
+exported by name.  Specifically, for each chain of $C$'s superclasses there
+is an external object
 \begin{prog}
   const union $A$__vtu_$i$ $C$__vtable_$i$;
 \end{prog}
