Implement filter for .7z files. Based on rclzip and rcltar

src/sampleconf/mimeconf

@@ -119,6 +119,7 @@ application/x-shellscript = internal text/plain
 application/x-tex = exec rcltex
 application/x-webarchive = execm rclwar
 application/zip = execm rclzip;charset=default
+application/x-7z-compressed = execm rcl7z
 audio/mpeg = execm rclaudio
 audio/mp4 = execm rclaudio
 audio/aac = execm rclaudio
@@ -220,6 +221,7 @@ application/x-tex = wordprocessing
 application/x-webarchive = archive
 application/xml = document
 application/zip = archive
+application/x-7z-compressed = archive
 audio/mpeg = sownd
 audio/x-karaoke = sownd
 image/bmp = image
@@ -359,9 +361,10 @@ other = application/vnd.sun.xml.draw \
         application/x-fsdirectory \
         application/x-mimehtml \
         application/x-rar \
-	application/x-tar \
+        application/x-tar \
         application/x-webarchive \
-	application/zip \
+        application/zip \
+        application/x-7z-compressed \
         inode/directory \
         inode/symlink \
 

src/sampleconf/mimemap

@@ -61,6 +61,7 @@
 .rar = application/x-rar
 #.Z  = application/x-compress
 .zip = application/zip
+.7z = application/x-7z-compressed
 
 # The rcltar module can handle compressed tar formats internally so we
 # use application/x-tar for all tar files compressed or not. Note that tar

src/sampleconf/mimeview

@@ -124,6 +124,7 @@ application/x-okular-notes = okular %f
 application/x-rar = ark %f
 application/x-tar = ark %f
 application/zip = ark %f
+application/x-7z-compressed = ark %f
 
 application/x-awk = emacsclient --no-wait %f
 application/x-perl = emacsclient --no-wait %f

src/sampleconf/mimeview.mac

@@ -107,6 +107,7 @@ application/x-okular-notes = okular %f
 application/x-rar = ark %f
 application/x-tar = ark %f
 application/zip = ark %f
+application/x-7z-compressed = ark %f
 
 application/x-awk = emacsclient  %f
 application/x-perl = emacsclient  %f