doc/src: occurences of `..' and `...'

	It's rather strange to see `..' (or `...') in TeX code (except
	for in, e. g., \verb++.)  I think some of those should be
	replaced as follows (though there're more.)

diff -r 293c27a240bc doc/src/command.tex
--- a/doc/src/command.tex	Wed Apr 16 18:45:32 2008 +0700
+++ b/doc/src/command.tex	Wed Apr 16 20:43:51 2008 +0700
@@ -462,7 +462,7 @@ The required argument types are as follo
 \item expressions should be s-expressions
 \item commands (as for \code{,config} and \code{,exec} itself)
  should be lists of the form
- \code{(\cvar{command-name} \cvar{argument} \cvar{...})}
+ \code{(\cvar{command-name} \cvar{argument} \ldots)}
  where \cvar{command-name} is a symbol.
 \end{itemize}

diff -r 293c27a240bc doc/src/external.tex
--- a/doc/src/external.tex	Wed Apr 16 18:45:32 2008 +0700
+++ b/doc/src/external.tex	Wed Apr 16 20:44:19 2008 +0700
@@ -3,7 +3,7 @@

 This chapter describes an interface for calling C functions
  from Scheme, calling Scheme functions from C, and allocating
- storage in the Scheme heap..
+ storage in the Scheme heap.
 Scheme~48 manages stub functions in C that
  negotiate between the calling conventions of Scheme and C and the
  memory allocation policies of both worlds.
diff -r 293c27a240bc doc/src/module.tex
--- a/doc/src/module.tex	Wed Apr 16 18:45:32 2008 +0700