diff --git a/db/db_mysql.C b/db/db_mysql.C
index b75c2c77d4..22e1123952 100644
--- a/db/db_mysql.C
+++ b/db/db_mysql.C
@@ -50,7 +50,7 @@ static char* boinc_table_name[] = {
     "workseq",
 };
 
-class BOINC_MYSQL_DB : virtual public MYSQL_DB {
+class BOINC_MYSQL_DB : public MYSQL_DB {
 public:
     BOINC_MYSQL_DB();
     void struct_to_str(void* vp, char* q, int type);
diff --git a/db/mysql_util.C b/db/mysql_util.C
index 7528942911..e30840821b 100644
--- a/db/mysql_util.C
+++ b/db/mysql_util.C
@@ -129,9 +129,9 @@ int MYSQL_DB::db_update(void* vp, int type) {
     char buf[MAX_QUERY_LEN], sbuf[MAX_QUERY_LEN];
     struct_to_str(vp, sbuf, type);
     sprintf(
-	buf,
-	"update %s set %s where id=%d",
-	table_name[type], sbuf, *id(vp, type)
+        buf,
+        "update %s set %s where id=%d",
+        table_name[type], sbuf, *id(vp, type)
     );
     return mysql_query(mp, buf);
 }
@@ -139,43 +139,43 @@ int MYSQL_DB::db_update(void* vp, int type) {
 int MYSQL_DB::db_enum(ENUM& e, void* p, int type, char* clause, int limit) {
     char buf[MAX_QUERY_LEN], buf2[256];
     if (!e.active) {
-	e.active = 1;
-	sprintf(buf, "select * from %s %s", table_name[type], clause?clause:"");
+        e.active = 1;
+        sprintf(buf, "select * from %s %s", table_name[type], clause?clause:"");
         if (limit) {
             sprintf(buf2, " limit %d", limit);
             strcat(buf, buf2);
         }
-	mysql_query(mp, buf);
-	e.rp = mysql_store_result(mp);
-	if (!e.rp) return -1;
+        mysql_query(mp, buf);
+        e.rp = mysql_store_result(mp);
+        if (!e.rp) return -1;
     }
     row = mysql_fetch_row(e.rp);
     if (!row) {
-	mysql_free_result(e.rp);
-	e.active = 0;
-	return 1;
+        mysql_free_result(e.rp);
+        e.active = 0;
+        return 1;
     } else {
-	row_to_struct(row, p, type);
-	return 0;
+        row_to_struct(row, p, type);
+        return 0;
     }
 }
 
 int MYSQL_DB::db_enum_field(ENUM& e, int type, char* field, char* clause) {
     char buf[MAX_QUERY_LEN];
     if (!e.active) {
-	e.active = 1;
-	sprintf(buf, "select %s from %s %s", field, table_name[type], clause);
-	mysql_query(mp, buf);
-	e.rp = mysql_store_result(mp);
-	if (!e.rp) return -1;
+        e.active = 1;
+        sprintf(buf, "select %s from %s %s", field, table_name[type], clause);
+        mysql_query(mp, buf);
+        e.rp = mysql_store_result(mp);
+        if (!e.rp) return -1;
     }
     row = mysql_fetch_row(e.rp);
     if (!row) {
-	mysql_free_result(e.rp);
-	e.active = 0;
-	return 1;
+        mysql_free_result(e.rp);
+        e.active = 0;
+        return 1;
     } else {
-	return 0;
+        return 0;
     }
 }
 
diff --git a/doc/tools_work.html b/doc/tools_work.html
index 058d07518b..a18a640e92 100644
--- a/doc/tools_work.html
+++ b/doc/tools_work.html
@@ -4,7 +4,9 @@
 <p>
 Workunits and results can be created using either a utility program
 or a C++ function.
-<p>
+In either case you must first <a href=key_setup.html>generate a key pair</a>
+for file upload authentication.
+<hr>
 The utility program is
 <pre>
 create_work
@@ -37,7 +39,7 @@ the filename, download URL, MD5 checksum, and size.
 file.
 <li>
 Within a &lt;file_ref> element,
-&lt;file_number>x&lt;/number> is replaced with the filename.
+&lt;file_number>x&lt;/file_number> is replaced with the filename.
 </ul>
 <p>
 The result file template is macro-substituted as follows:
@@ -52,22 +54,37 @@ the ordinal number of the result (0, 1, ...).
 <p>
 <hr>
 <p>
-The C++ library (backend_lib.C,h) provides the function:
+The C++ library (backend_lib.C,h) provides the functions:
 <pre>
+int read_key_file(char* path, R_RSA_PRIVATE_KEY& key);
+
 int create_work(
     WORKUNIT&,
-    char* wu_template,
-    char* result_template_filename,
+    char* wu_template,                  // contents, not path
+    char* result_template_filename,     // path
     int nresults,
-    char* infile_dir,
-    char** infiles,
+    char* infile_dir,                   // where input files are
+    char** infiles,                     // array of input file names
     int ninfiles
-    R_RSA_PRIVATE_KEY& key,
+    R_RSA_PRIVATE_KEY& key,             // upload authentication key
     char* upload_url,
     char* download_url
 );
 </pre>
 <p>
-This creates a workunit and one or more results.
+<b>read_key_file()</b> reads a private key from a file.
+Use this to read the file upload authentication key.
+<p>
+<b>create_work()</b>
+creates a workunit and one or more results.
 The arguments are similar to those of the utility program;
-some of the information is passed in the WORKUNIT structure.
+some of the information is passed in the WORKUNIT structure,
+namely the following fields:
+<pre>
+name
+rsc_fpops
+rsc_iops
+rsc_memory
+rsc_disk
+delay_bound
+</pre>
diff --git a/sched/make_work.C b/sched/make_work.C
index 89080b760b..ac8c7e7827 100644
--- a/sched/make_work.C
+++ b/sched/make_work.C
@@ -162,7 +162,7 @@ void make_work() {
             while (p) {
                 if (parse_str(p, "<name>", file_name, sizeof(file_name))) {
                     sprintf(
-                        new_file_name, "%s_%d_%d", file_name, start_time, seqno++
+                        new_file_name, "%s__%d_%d", file_name, start_time, seqno++
                     );
                     sprintf(pathname, "%s/%s", config.download_dir, file_name);
                     sprintf(