Index: src/checkin.c
==================================================================
--- src/checkin.c
+++ src/checkin.c
@@ -675,25 +675,30 @@
 **   --age                 Show when each file was committed.
 **   -v|--verbose          Provide extra information about each file.
 **   -t                    Sort output in time order.
 **   -r VERSION            The specific check-in to list.
 **   -R|--repository FILE  Extract info from repository FILE.
+**   -0                    Use NULL instead of whitespace to separate
+**                         filenames
 **
 ** See also: changes, extras, status
 */
 void ls_cmd(void){
   int vid;
   Stmt q;
   int verboseFlag;
+  int nullSeparateFlag;
+  char separator = '\n';
   int showAge;
   int timeOrder;
   char *zOrderBy = "pathname";
   Blob where;
   int i;
   const char *zName;
   const char *zRev;
 
+  nullSeparateFlag = find_option("0", "0", 0)!=0;
   verboseFlag = find_option("verbose","v", 0)!=0;
   if( !verboseFlag ){
     verboseFlag = find_option("l","l", 0)!=0; /* deprecated */
   }
   showAge = find_option("age",0,0)!=0;
@@ -792,14 +797,16 @@
         type = "RENAMED    ";
       }else{
         type = "UNCHANGED  ";
       }
     }
+    if (nullSeparateFlag) 
+      separator='\0';
     if( showAge ){
-      fossil_print("%s%s  %s\n", type, db_column_text(&q, 5), zPathname);
+      fossil_print("%s%s  %s%c", type, db_column_text(&q, 5), zPathname, separator);
     }else{
-      fossil_print("%s%s\n", type, zPathname);
+      fossil_print("%s%s%c", type, zPathname, separator);
     }
     free(zFullName);
   }
   db_finalize(&q);
 }