X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/f4176ff2a3b386687e30da396ab189aab8239eca..f3cd885b4c8e5f6caf24472111ad2fd2791871f1:/test/README

diff --git a/test/README b/test/README
index 1932cd76..e9dae928 100644
--- a/test/README
+++ b/test/README
@@ -71,6 +71,9 @@ in the test scripts.  In particular:
 - Avoid depending on the exact format of output from system (non-nmh)
   programs.
 
+- Use octal instead of hex (\x) bytes in printf(1) formats, because hex
+  is not supported by POSIX printf.
+
 The Heirloom Bourne Shell, http://heirloom.sourceforge.net/sh.html,
 catches many non-portable shell constructs, such as $(), $(()), !, and
 assignment in export statements.