Document the new_message_text_filename (%n) and log_text_filename (%d) stuff

added back in 2009 (mailsrvr.c, r1.459).

ctrl/mailproc.ini

@@ -12,12 +12,12 @@
 ; followed by a list of optional "key = value" pairs.
 
 ; If no "Eval" or "Command" key value is specified, the mail processor name
-; will be used as teh command-line to execute.
+; will be used as the command-line to execute.
 
 ; Non-JavaScript mail processors (i.e. native executables), must have the 
 ; "native" key set to "true" (e.g. "native = true").
 
-; For a mail processor to only process mail received for a specific name,
+; For a mail processor to only process mail received for specific name(s),
 ; it must have a "To" key with a comma-separated list of destination names.
 ; Example: "To = listserver, listserv" would cause a mail processor to only
 ; process mail received for either "listserver" or "listserv".
@@ -33,11 +33,15 @@
 
 ; Each of the strings in these lists may use the Synchronet .can-style wildcards.
 
+; The filenames referenced below may all be modified or created by the mail processor.
+
 ; Additional (read-only) variables available to JavaScript mail processors:
 ;
 ;     message_text_filename		// filename contains complete message header and body
+;     new_message_text_filename         // completely new message header and body (optional)
 ;     recipient_list_filename		// list of all SMTP recipients for this message (.ini format)
 ;     processing_error_filename		// a filename that if created will reject this message with an SMTP error
+;     log_text_filename                 // an optional filename that if created will include debug log output
 ;     hello_name			// the "HELO" name specified by the sender during the SMTP session
 ;     sender_name			// the name of the sender, possibly the same as the sender_address
 ;     sender_address			// sender's email address (e.g. "user@domain.com")
@@ -57,8 +61,10 @@
 ; (native or JavaScript mail processor):
 ;
 ;     %m mail message (header and body text) path/filename
+;     %n new message (header and body text) path/filename, in case you can't modify the original
 ;     %l recipient list path/filename
 ;     %e processing error path/filename (put error text in this file)
+;     %d processing debug log output path/filename
 ;
 ;     %h sender's host name
 ;     %i sender's IP address