greater to presence of chan command (since chan now in later 8.5 builds)
+2010-05-16 Steve Huntley <stephen.huntley@alum.mit.edu>
+
+ * library/vfslib.tcl: Changed memchan condition from Tcl version 8.6 or
+ greater to presence of chan command (since chan now in later 8.5 builds)
+
2010-02-01 Steve Huntley <stephen.huntley@alum.mit.edu>
* Makefile.in (PKG_TCL_SOURCES): Added 'template/tclIndex' to the list
# Use 8.6 reflected channels or the rechan package in earlier versions to
# provide a memory channel implementation.
#
-if {[package vsatisfies [package provide Tcl] 8.6]} {
+if {[info command ::chan] ne {}} {
# As the core zlib channel stacking make non-seekable channels we cannot
# implement vfs::zstream and this feature is disabled in tclkit boot.tcl