Some corrections in response to a review by Kristian Evers (OSGeo#718)

* Some corrections in response to a review by Kristian Evers

nad/val_def.demo → examples/val_def.demo

@@ -18,10 +18,12 @@ e.g. using the cct 4D transformation program:
 
 The system validation parts are used when validating the systems
 defined in the file. This is done using the gie test program:
+Place val_def.demo in your PROJ_LIB directory
+(or set PROJ_LIB=<directory where val_def.demo lives>) and say:
 
     gie val_def.demo
 
-Which will respond with a report detailing how many tests succeeded,
+This will result in a report detailing how many tests succeeded,
 resp. failed.
 
 The syntax of proj init files is orthogonal to the syntax of gie

src/gie.c

@@ -1888,7 +1888,6 @@ static int pj_unitconvert_selftest (void) {
     ret = test_time(args3, 1e-6, in3, in3);   if (ret) return ret + 30;
     ret = test_time(args4, 1e-6, in4, exp4);  if (ret) return ret + 40;
     ret = test_xyz (args5, 1e-10, in5, exp5); if (ret) return ret + 50;
-    ret = test_xyz (args6, 1e-10, in6, in6);  if (ret) return ret + 50;
     ret = test_xyz (args6, 1e-10, in6, in6);  if (ret) return ret + 60;
     ret = test_time(args7, 1e-6, in7, in7);   if (ret) return ret + 70;
 

src/pj_init.c

@@ -344,6 +344,7 @@ where 'ellps=intl' precedes 'ellps=GRS80', and hence takes precedence,
 turning the expansion into an UTM projection on the Hayford ellipsoid.
 
 Note that 'init=foo:bar' stays in the list. It is ignored after expansion.
+
 ******************************************************************************/
     paralist *last;
     paralist *expn;