docs: document configurable reconnect script path

docs/man/Makefile.am

@@ -17,7 +17,8 @@ SUBST_VARS = sed \
    -e 's|@bindir[@]|$(bindir)|g' \
    -e 's|@localstatedir[@]|$(localstatedir)|g' \
    -e 's|@sysconfdir[@]|$(sysconfdir)|g' \
-   -e 's|@socketdir[@]|$(socketdir)|g'
+   -e 's|@socketdir[@]|$(socketdir)|g' \
+   -e 's|@xrdpconfdir[@]|$(sysconfdir)/xrdp|g'
 
 subst_verbose = $(subst_verbose_@AM_V@)
 subst_verbose_ = $(subst_verbose_@AM_DEFAULT_V@)

docs/man/sesman.ini.5.in

@@ -62,14 +62,23 @@ specified by \fBUserWindowManager\fR if it exists.
 
 .TP
 \fBUserWindowManager\fR=\fIfilename\fR
-Name of the startup script relative to the user's home directory. If
+Path of the startup script relative to the user's home directory. If
 present and enabled by \fBEnableUserWindowManager\fR, that script is
 executed instead of \fBDefaultWindowManager\fR.
 
 .TP
 \fBDefaultWindowManager\fR=\fIfilename\fR
-Full path to the default startup script used by xrdp-sesman to start a
-session if the user script is disabled or missing.
+Full path or relative path of the default startup script used by xrdp-sesman
+to start a session.  If the path is not a full path, it will be resolved as
+relative path to \fI@xrdpconfdir@\fR. If not specified, defaults to
+\fI@xrdpconfdir@/startwm.sh\fR.
+
+.TP
+\fBReconnectScript\fR=\fIfilename\fR
+Full path or relative path if the script which executed when users reconnects
+to the existing session. If the path is not a full path, it will be resolved as
+relative path to \fI@xrdpconfdir@\fR. If not specified, defaults to
+\fI@xrdpconfdir@/reconnectwm.sh\fR.
 
 .SH "LOGGING"
 Following parameters can be used in the \fB[Logging]\fR section.

sesman/sesman.ini.in

@@ -1,9 +1,14 @@
+;; See `man 5 sesman.ini` for details
+
 [Globals]
 ListenAddress=127.0.0.1
 ListenPort=3350
 EnableUserWindowManager=true
+; Give in relative path to user's home directory
 UserWindowManager=startwm.sh
+; Give in full path or relative path to @sesmansysconfdir@
 DefaultWindowManager=startwm.sh
+; Give in full path or relative path to @sesmansysconfdir@
 ReconnectScript=reconnectwm.sh
 
 [Security]