Recommend the usage of $(am__cd).

diff --git a/HACKING b/HACKING
index 8c4974ace3fd4a402e30dec74e556ddf8c87335a..701a7ade026522c42553cf4e0315bacffa2d540d 100644 (file)
--- a/HACKING
+++ b/HACKING
@@ -59,8 +59,8 @@
 
 * Never use basename or dirname.  Instead use sed
 
-* If you run `cd' within back-quotes, make sure you set `CDPATH=:',
-  otherwise the directory name may be printed, depending on CDPATH.
+* Do not use `cd' within back-quotes, use `$(am__cd)' instead.
+  Otherwise the directory name may be printed, depending on CDPATH.
 
 * For install and uninstall rules, if a loop is required, it should be
   silent.  Then the body of the loop itself should print each