The fix:

--- 
xmerge/source/writer2latex/source/writer2latex/latex/content/DrawConverter.java	
2006-07-19 16:53:09.000000000 +0200
+++ 
xmerge/source/writer2latex/source/writer2latex/latex/content/DrawConverter.java	
2006-07-19 16:53:14.000000000 +0200
@@ -193,7 +193,7 @@ public class DrawConverter extends Conve
         /* TODO (0.4): handle cropping and mirror:
            style:mirror can be none, vertical (lodret), horizontal (vandret),
            horizontal-on-odd, or
-           horizontal-on-even (vandret på ulige hhv. lige side).
+           horizontal-on-even (vandret pa ulige hhv. lige side).
    		   mirror is handled with scalebox, eg:
         		%\\scalebox{-1}[1]{...}
 		   can check for even/odd page first!!

It's due to non-utf8 character in the comment:

Compiling 63 source files 
to /local/ooo-build/ooo-build/build/src680-m177/xmerge/unxlngx6.pro/class/writer2latex
/local/ooo-build/ooo-build/build/src680-m177/xmerge/source/writer2latex/source/writer2latex/latex/content/DrawConverter.java:196: 
error: Unrecognized character for encoding 'UTF-8'.
           horizontal-on-even (vandret p ulige hhv. lige side).
                                           ^
1 error

BUILD FAILED
/local/ooo-build/ooo-build/build/src680-m177/xmerge/source/writer2latex/build.xml:88: 
Compile failed; see the compiler error output for details.