Format ` and ' more nicely in doc

Use @documentencoding and set txicodequoteundirected and
txicodequotebacktick to get nicer-looking quoting in the manual.

diff --git a/doc/tar.texi b/doc/tar.texi
index 2b5747e0b64560033b4972c309dbb95c154a5f67..248be0d2e11b222aa9ca0e0f6b43e9a6b74d1646 100644 (file)
--- a/doc/tar.texi
+++ b/doc/tar.texi
@@ -5,6 +5,16 @@
 @settitle GNU tar @value{VERSION}
 @setchapternewpage odd
 
+@documentencoding UTF-8
+@c These two commands require Texinfo 5.0; for now use the older
+@c equivalent @set commands supported in Texinfo 4.11 and later.
+@ignore
+@codequotebacktick on
+@codequoteundirected on
+@end ignore
+@set txicodequoteundirected
+@set txicodequotebacktick
+
 @finalout
 
 @smallbook