+--- chemtool-1.6.14/ct1.h~ 2011-12-23 20:30:53.000000000 +0100
++++ chemtool-1.6.14/ct1.h 2020-08-01 11:10:05.058441414 +0200
+@@ -273,12 +273,12 @@
+ extern float importfactor;
+ extern int importoffset;
+
+-char **intype;
+-char **inmode;
+-int babelin;
+-char **outtype;
+-char **outmode;
+-int babelout;
++extern char **intype;
++extern char **inmode;
++extern int babelin;
++extern char **outtype;
++extern char **outmode;
++extern int babelout;
+ extern char *babel;
+ extern GdkGC *mygc[8],*background_gc,*hlgc;
+ extern int curpen;
+--- chemtool-1.6.14/inout.c~ 2013-08-13 01:39:43.000000000 +0200
++++ chemtool-1.6.14/inout.c 2020-08-01 11:13:24.128787466 +0200
+@@ -30,6 +30,12 @@
+ extern GdkFont *font[7],*smallfont[7],*symbfont[7],*boldfont[7],*slfont[7];
+ #endif
+
++char **intype;
++char **inmode;
++int babelin;
++char **outtype;
++char **outmode;
++int babelout;
+ static char babeloutp[4];
+
+ int