SVG in Equations

Support the new "svg" environment from itex2MML 1.3.

app/views/wiki/tex.rhtml

@@ -35,7 +35,6 @@
 
 % Because of conflicts, \space and \mathop are converted to
 % \itexspace and \operatorname during preprocessing.
-% \over is simply unsupported.
 
 % itex: \space{ht}{dp}{wd}
 %

vendor/plugins/maruku/lib/maruku/ext/math/latex_fix.rb

@@ -3,7 +3,8 @@ class String
 	def fix_latex
 		if #{html_math_engine} == 'itex2mml'
 			s = self.gsub("\\mathop{", "\\operatorname{")
-			s.gsub("\\space{", "\\itexspace{")
+			s.gsub!(/\\begin{svg}.*?\\end{svg}/m, " ")
+                        s.gsub("\\space{", "\\itexspace{")
 		else
 			self
 		end