xz is not currently one of the compress methods supported by jka-compr. diff -r 7f5da95927f2 ChangeLog --- a/ChangeLog Thu May 15 21:06:10 2014 +0200 +++ b/ChangeLog Sun Oct 19 20:40:15 2014 -0400 ＠＠ -1,3 +1,7 ＠＠ +2014-10-19 Vin Shelton <acs(a)xemacs.org&gt; + + * jka-compr.el (jka-compr-compression-info-list): Add xz compression. + 2014-05-15 Norbert Koch <viteno(a)xemacs.org&gt; * Makefile (VERSION): XEmacs package 1.44 released. diff -r 7f5da95927f2 jka-compr.el --- a/jka-compr.el Thu May 15 21:06:10 2014 +0200 +++ b/jka-compr.el Sun Oct 19 20:40:15 2014 -0400 ＠＠ -144,6 +144,10 ＠＠ ["\\.gz\\(~\\|\\.~[0-9]+~\\)?\\'" "zipping" "gzip" ("-c" "-q") "unzipping" "gzip" ("-c" "-q" "-d") + t t] + ["\\.xz\\(~\\|\\.~[0-9]+~\\)?\\'" + "zipping" "xz" ("-c" "-q") + "unzipping" "xz" ("-c" "-q" "-d") t t]) "List of vectors that describe available compression techniques. Regards, Vin _______________________________________________ XEmacs-Patches mailing list XEmacs-Patches(a)xemacs.org http://lists.xemacs.org/mailman/listinfo/xemacs-patches