rm note about obsolete grapheme rules from README, clean up test output

README.md

@@ -41,9 +41,7 @@ The C library is found in this directory after successful compilation
 and is named `libmojibake.a` (for the static library) and
 `libmojibake.so` (for the dynamic library).
 
-The Unicode version being supported is 7.0.0.  (Grapheme segmentation
-is currently based on version 4.1.0 of Unicode Standard Annex #29, but
-we hope to update this soon.)
+The Unicode version being supported is 7.0.0.
 
 For Unicode normalizations, the following options are used:
 

graphemetest.c

@@ -60,7 +60,6 @@ int main(void)
                  for (i = 0; i <= glen; ++i)
                       if (g[i] == 0xff)
                            g[i] = '/'; /* easier-to-read output (/ is not in test strings) */
-                 printf("line %zd\n", lineno);
                  check(!strcmp((char*)g, (char*)src),
                        "grapheme mismatch: \"%s\" instead of \"%s\"", (char*)g, (char*)src);
             }