diff --git a/smartmontools/CHANGELOG b/smartmontools/CHANGELOG
index b217deac9bd083c7f17fd2f2cd52e1d7d45c8665..f0b4a2af58396cc391a43a7128dc499bbfc377db 100644
--- a/smartmontools/CHANGELOG
+++ b/smartmontools/CHANGELOG
@@ -43,6 +43,8 @@ NOTES FOR FUTURE RELEASES: see TODO file.
 
 <DEVELOPERS: ADDITIONS TO THE CHANGE LOG GO JUST BELOW HERE, PLEASE>
 
+  [DL] -l gpllog,...: print text representation of data also (ticket #30)
+
   [DL] FreeBSD: check reallocf() result for failures
 
   [AS] FreeBSD: fixing crash on kFreeBSD (#29), patch provided by Petr Salinger
diff --git a/smartmontools/ataprint.cpp b/smartmontools/ataprint.cpp
index 4bf3f6cfcfbd863a7a3236bcaaf966ae77da9312..51fef8ac8957197365c45eac778bd88b25f5acf0 100644
--- a/smartmontools/ataprint.cpp
+++ b/smartmontools/ataprint.cpp
@@ -1016,10 +1016,16 @@ static void PrintLogPages(const char * type, const unsigned char * data,
   for (unsigned i = 0; i < num_pages * 512; i += 16) {
     const unsigned char * p = data+i;
     pout("%07x: %02x %02x %02x %02x %02x %02x %02x %02x "
-               "%02x %02x %02x %02x %02x %02x %02x %02x\n",
+               "%02x %02x %02x %02x %02x %02x %02x %02x ",
          (page * 512) + i,
          p[ 0], p[ 1], p[ 2], p[ 3], p[ 4], p[ 5], p[ 6], p[ 7],
          p[ 8], p[ 9], p[10], p[11], p[12], p[13], p[14], p[15]);
+#define P(n) (isprint((int)(p[n]))?(int)(p[n]):'.')
+    pout("|%c%c%c%c%c%c%c%c"
+          "%c%c%c%c%c%c%c%c|\n",
+         P( 0), P( 1), P( 2), P( 3), P( 4), P( 5), P( 6), P( 7),
+         P( 8), P( 9), P(10), P(11), P(12), P(13), P(14), P(15));
+#undef P
     if ((i & 0x1ff) == 0x1f0)
       pout("\n");
   }