From c3adb61eeef4abafffa49073720140f76ec83acf Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Fri, 11 Nov 2011 07:04:42 -0700
Subject: [PATCH] scribble: Latex/PDF rendering of some Unicode superscript
 characters

original commit: 9f81387e85e2fd18f869c60632bba69159476df3
---
 collects/scribble/latex-render.rkt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/collects/scribble/latex-render.rkt b/collects/scribble/latex-render.rkt
index d676e6f3..373dbfca 100644
--- a/collects/scribble/latex-render.rkt
+++ b/collects/scribble/latex-render.rkt
@@ -936,6 +936,18 @@
                             [(#\⊤) "$\\top$"]
                             [(#\¥) "{\\textyen}"]
                             [(#\™) "{\\texttrademark}"]
+                            [(#\u2070) "$^0$"]
+                            [(#\u00b9) "$^1$"]
+                            [(#\u00b2) "$^2$"]
+                            [(#\u00b3) "$^3$"]
+                            [(#\u2074) "$^4$"]
+                            [(#\u2075) "$^5$"]
+                            [(#\u2076) "$^6$"]
+                            [(#\u2077) "$^7$"]
+                            [(#\u2078) "$^8$"]
+                            [(#\u2079) "$^9$"]
+                            [(#\u207a) "$^+$"]
+                            [(#\u207b) "$^-$"]
                             [else c])
                           c)])))
                 (loop (add1 i)))))))