dimensions are fully encoded.
.TP
\fB\-k\fR
-Keep idendifiers case (don't uppercase field names).
+Keep identifiers case (don't uppercase field names).
.TP
+\fB\-m\fR <\fIfilename\fR>
+Remap identifiers to ten digit names. The content of the file is lines
+of two symbols separated by a single white space and no trailing
+or leading space:
+
+VERYLONGSYMBOL SHORTONE\\n
+.br
+ANOTHERVERYLONGSYMBOL SHORTER\\n
+
+etc.
+.TP
\fB\-?\fR
Display version and usage information.