Add note about IMAP browser and trailing delimiters

This is the same behavior as the regular browser, but I think still
deserves a quick mention.

Thanks to Charles for pointing out this section of the manual and
suggesting the addition.

Co-authored-by: Richard Russon <rich@flatcap.org>

diff --git a/doc/manual.xml.head b/doc/manual.xml.head
index 251d39e7275698bcd2f86b832d21c91756954f95..8257ffae7ddf4bd080f8b3d452347e98cec92b8d 100644 (file)
--- a/doc/manual.xml.head
+++ b/doc/manual.xml.head
@@ -11062,7 +11062,9 @@ set timeout=15
               <quote>IMAP</quote>, possibly followed by the symbol
               <quote>+</quote>, indicating that the entry contains both
               messages and subfolders. On Cyrus-like servers folders will often
-              contain both messages and subfolders.
+              contain both messages and subfolders.  A mailbox name with a
+              trailing delimiter (usually <quote>/</quote> or <quote>.</quote>)
+              indicates subfolders.
             </para>
           </listitem>
           <listitem>