A small math fix

eoatex2imxml.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2018-05-31 12:25:32 (kthoden)>
+# Time-stamp: <2018-05-31 15:40:12 (kthoden)>
 
 # license?
 __version__= "1.0"
@@ -762,6 +762,10 @@ def cleanup():
             progress(intEOAineqnumber, len(xmlEOAineqs),"Processing EOAineq %s of %s." % (intEOAineqnumber, len(xmlEOAineqs)))
 
             strSourceCode = os.linesep.join([s for s in strSourceCode.splitlines() if s])
+
+            # this occurred once in sources 11
+            strSourceCode = strSourceCode.replace(r"\@root", r"\root")
+
             strTeXEquations = strTeXEquations + "$" + strSourceCode + "$\n\\newpage\n"
             # Add intEOAineqRunningOrder : Filename to dictionary
             strFilename = "EOAineq_" + str(intChapterNumber) + "_" + str(intEOAineqnumber)