Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/efun/pg_pending b/doc/efun/pg_pending
new file mode 100644
index 0000000..46a6dcc
--- /dev/null
+++ b/doc/efun/pg_pending
@@ -0,0 +1,22 @@
+OPTIONAL
+SYNOPSIS
+ int pg_pending ()
+ int pg_pending (object obj)
+
+DESCRIPTION
+ Return the number of pending queries for the connection on the given
+ object <obj> (default is the current object). The object has no
+ database connection, return -1.
+
+ The function is available only if the driver is compiled with
+ PostgreSQL support. In that case, __PGSQL__ is defined.
+
+ The efun triggers a privilege violation ("pgsql", "pg_pending").
+
+HISTORY
+ Added in 3.3.445.
+ LDMud 3.3.640 added the privilege violation.
+
+SEE ALSO
+ pgsql(C), pg_connect(E), pg_conv_string(E), pg_query(E), pg_close(E),
+ privilege_violation(M)