doc reference work, especially chars, bytes, and namespaces

svn: r6858

original commit: 8d75dfcba5df96f4e8b2eec05f5840f79b032d1a

collects/scribble/latex-render.ss

@@ -321,6 +321,7 @@
                   [(#\u03B1) (display "$\\alpha$")]
                   [(#\u03BF) (display "o")] ; omicron
                   [(#\u03C3) (display "$\\sigma$")]
+                  [(#\u03C2) (display "$\\varsigma$")]
                   [(#\u03BB) (display "$\\lambda$")]
                   [(#\u03BC) (display "$\\mu$")]
                   [else (display c)]))

collects/scribblings/scribble/doclang.scrbl

@@ -2,7 +2,7 @@
 @require[(lib "manual.ss" "scribble")]
 @require["utils.ss"]
 
-@title[#:tag "doclang"]{Document Module Languegs}
+@title[#:tag "doclang"]{Document Module Language}
 
 The @file{doclang.ss} module is suitable for use as a module
 language. It provides everything from @scheme[mzscheme], except that