doc/runtime.tex: Highlight formal argument names.

diff --git a/doc/runtime.tex b/doc/runtime.tex
index 6f5c6be..c1b009f 100644 (file)
--- a/doc/runtime.tex
+++ b/doc/runtime.tex
@@ -150,7 +150,7 @@ client code.
 The following functions are provided in @|libsod|.
 
 \begin{describe}[sod_subclassp]{fun}
-    {int sod_subclassp(const SodClass *sub, const SodClass *super);}
+    {int sod_subclassp(const SodClass *@<sub>, const SodClass *@<super>);}
 
   Decide whether one class @<sub> is actually a subclass of another class
   @<super>.
@@ -163,7 +163,7 @@ The following functions are provided in @|libsod|.
 \end{describe}
 
 \begin{describe}[sod_convert]{fun}
-    {void *sod_convert(const SodClass *cls, const void *obj);}
+    {void *sod_convert(const SodClass *@<cls>, const void *@<obj>);}
   Performs general conversions (up-, down-, and cross-casts) on instance
   pointers.