X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/67506f8a343d03fae9f5a98e89cbd431426347cc..626b510952d3756e15efda6c2e4d0a2c95f6eed3:/man/mh-folders.man

diff --git a/man/mh-folders.man b/man/mh-folders.man
index 0fbdddd0..1876107b 100644
--- a/man/mh-folders.man
+++ b/man/mh-folders.man
@@ -1,4 +1,4 @@
-.TH MH-FOLDERS %manext5% "July 22, 2014" "%nmhversion%"
+.TH MH-FOLDERS %manext5% "February 25, 2016" "%nmhversion%"
 .\"
 .\" %nmhwarning%
 .\"
@@ -153,6 +153,18 @@ platform, and it is for popular platforms.  That default should also
 be the same as used by the
 .B mail
 program, if provided on the platform.
+.PP
+.SS Naming
+.B nmh
+folders can be given arbitrary names, with one exception:
+folders should not be given all-numeric names.  This
+limitation results from
+.B nmh
+messages themselves being stored
+in numerically named files -- allowing folders to be named
+similarly would make
+.B nmh
+slower, and introduce usage ambiguities.
 .SH FILES
 .fc ^ ~
 .nf