> While running on www.loc.gov, HTTrack crashed. Here's the 
> error message from CRASH.TXT:
> HTTrack 3.29.31 closed at 'htsback.c', line 2779
> Reason:
> assert failed: (s)[sizeof(s) - 1] == '

Thanks very much - I have fixed this problem on 3.30.31 ; a 
new release will be soon (probably saturday) releasd.
Here's the patch:

--- /temp/httrack-3.29.32/src/htsback.c Sat Aug  2 16:34:17 
2003
+++ new/htsback.c       Wed Aug  6 19:55:35 2003
@@ -2773,7 +2773,7 @@
 // j: 1 afficher sockets 2 afficher autres 3 tout afficher
 void back_info(lien_back* back,int i,int j,FILE* fp) {
   if (back[i].status>=0) {
-    char s[256];
+    char s[HTS_URLMAXSIZE*2+1024];
     s[0]='\0';
     back_infostr(back,i,j,s);
     strcatbuff(s,LF);
@@ -2859,7 +2859,7 @@

     if (aff) {
       {
-        char s2[1024];
+        char s2[HTS_URLMAXSIZE*2+1024];
         sprintf(s2,"\"%s",back[i].url_adr); strcatbuff
(s,s2);

         if (back[i].url_fil[0]!='/') strcatbuff(s,"/");