shell/dircolors: Remove unnecessary rules.

Also update documentation to match the current usage.

diff --git a/shell/dircolors.in b/shell/dircolors.in
index 59d1365f0a7244c5b1ab09645997301f299c5faa..0df7768de3a7703ea750c50a41b3bb2ae5797748 100644 (file)
--- a/shell/dircolors.in
+++ b/shell/dircolors.in
@@ -64,16 +64,19 @@ BLK 00
 CHR 00
 
 
-# Color important files which might be overlooked in full directories. `ls`
-# can't color matching files, only matching extensions; therefore use the
-# filename as extension. As most filenames have no weird extensions like
-# ".README", this should work fine.
+# Color important files which might be overlooked in full directories.
+#
+# `ls` can't color matching files, only matching extensions and suffixes;
+# therefore use the suffix (which is a superset of matching extensions). As
+# most filenames have no weird suffixes like "filenameNEWS", this should work
+# fine most of the time.
+#
+# *foo matches files ending with foo, .foo only files with a foo extension
+# (e.g. example.foo).
 
 # Read-me files (e.g. README, program.readme, etc.): bold magenta.
 *README 35;01
 *readme 35;01
-.README 35;01
-.readme 35;01
 # Misc files: bold magenta.
 *NEWS 35;01
 *TODO 35;01