--- rbot/plugins/math.rb.orig	Thu Mar 25 17:33:36 2004
+++ rbot/plugins/math.rb	Mon Jan 27 11:52:37 2003
@@ -77,13 +77,13 @@
     expr.gsub!(/\bover /, "/ ")
     expr.gsub!(/\bsquared/, "**2 ")
     expr.gsub!(/\bcubed/, "**3 ")
-    expr.gsub!(/\bto\s+(\d+)(r?st|nd|rd|th)?( power)?/, "**#$1 ")
+    expr.gsub!(/\bto\s+(\d+)(r?st|nd|rd|th)?( power)?/, '**\1 ')
     expr.gsub!(/\bpercent of/, "*0.01*")
     expr.gsub!(/\bpercent/, "*0.01")
     expr.gsub!(/\% of\b/, "*0.01*")
     expr.gsub!(/\%/, "*0.01")
-    expr.gsub!(/\bsquare root of (\d+)/, "#$1 ** 0.5 ")
-    expr.gsub!(/\bcubed? root of (\d+)/, "#$1 **(1.0/3.0) ")
+    expr.gsub!(/\bsquare root of (\d+)/, '\1 ** 0.5 ')
+    expr.gsub!(/\bcubed? root of (\d+)/, '\1 **(1.0/3.0) ')
     expr.gsub!(/ of /, " * ")
     expr.gsub!(/(bit(-| )?)?xor(\'?e?d( with))?/, "^")
     expr.gsub!(/(bit(-| )?)?or(\'?e?d( with))?/, "|")
@@ -101,7 +101,7 @@
          if answer =~ /^[-+\de\.]+$/
            answer = sprintf("%1.12f", answer)
            answer.gsub!(/\.?0+$/, "")
-           answer.gsub!(/(\.\d+)000\d+/, $1)
+           answer.gsub!(/(\.\d+)000\d+/, '\1')
            if (answer.length > 30)
              answer = "a number with >30 digits..."
            end