Use python instead of shell printf with \x sequences for test-encoding.

Needed e.g. to be compatible with Solaris.

tests/test-encoding

@@ -1,38 +1,40
 #!/bin/sh
 
 hg init t
 cd t
 
 # we need a repo with some legacy latin-1 changesets
 hg unbundle $TESTDIR/legacy-encoding.hg
 hg co
 
-printf "latin-1 e' encoded: \xe9" > latin-1
-printf "utf-8 e' encoded: \xc3\xa9" > utf-8
-printf "\xe9" > latin-1-tag
+python << EOF
+f = file('latin-1', 'w'); f.write("latin-1 e' encoded: \xe9"); f.close()
+f = file('utf-8', 'w'); f.write("utf-8 e' encoded: \xc3\xa9"); f.close()
+f = file('latin-1-tag', 'w'); f.write("\xe9"); f.close()
+EOF
 
 echo % should fail with encoding error
 echo "plain old ascii" > a
 hg st
 HGENCODING=ascii hg ci -l latin-1 -d "0 0"
 
 echo % these should work
 echo "latin-1" > a
 HGENCODING=latin-1 hg ci -l latin-1 -d "0 0"
 echo "utf-8" > a
 HGENCODING=utf-8 hg ci -l utf-8 -d "0 0"
 
 HGENCODING=latin-1 hg tag -d "0 0" `cat latin-1-tag`
 
 echo % ascii
 hg --encoding ascii log
 echo % latin-1
 hg --encoding latin-1 log
 echo % utf-8
 hg --encoding utf-8 log
 echo % ascii
 HGENCODING=ascii hg tags
 echo % latin-1
 HGENCODING=latin-1 hg tags
 echo % utf-8
 HGENCODING=utf-8 hg tags