- * this properly ensures correct quoting; correct is:
- * - no spaces within the complete quote prefix of line (sect. 4.5)
- * - change all quoting chars to '>' by force; see BUGS in srcdir
+ * this does the space-stuffing required as in 'MUST'
+ * this is only used right after editing the initial message's content
+ * as elsewhere it's too difficult to catch all circumstances right;
+ * esp. with '>' which this routine doesn't cover... XXX