diff -Naur festival.orig/speech_tools/siod/siodeditline.c festival/speech_tools/siod/siodeditline.c

--- festival.orig/speech_tools/siod/siodeditline.c	2004-04-30 18:56:51.000000000 +0200

+++ festival/speech_tools/siod/siodeditline.c	2014-05-12 19:00:37.491000000 +0200

@@ -151,7 +151,7 @@

     symbol = el_current_sym();

     infostring = siod_manual_sym(symbol);

     putc('\n',stderr);

-    fprintf(stderr,infostring);

+    fprintf(stderr,"%s",infostring);

     fflush(stderr);

     putc('\n',stderr);

     fflush(stderr);

diff -Naur festival.orig/speech_tools/utils/cmd_line.cc festival/speech_tools/utils/cmd_line.cc

--- festival.orig/speech_tools/utils/cmd_line.cc	2004-09-30 14:53:37.000000000 +0200

+++ festival/speech_tools/utils/cmd_line.cc	2014-05-12 19:08:57.577000000 +0200

@@ -460,7 +460,7 @@

     fprintf(stdout,"<cmdsynopsis><command>%s</command>", 

 	    (const char *)full.filename());

-    fprintf(stdout, (const char *)ts.get_upto_eoln().string());

+    fprintf(stdout, "%s", (const char *)ts.get_upto_eoln().string());

     while (!ts.eof())

     {