3 unexpand \- convert spaces to tabs
5 \fBunexpand\fR [\fB\-a\fR]\fR
20 # All spaces are unexpanded
23 .B unexpand oldfile >newfile
24 # Convert leading spaces to tabs
27 \fIUnexpand\fR replaces spaces in the named files with tabs.
28 If no files are listed, \fIstdin\fR is given.
29 The \fB\-a\fR flag is used to force all sequences of spaces to be
30 expanded, instead of just leading spaces (the default).