$ man grep says
The period . matches any single character.
OK but it should also mention that illegal characters for the current
locale will never be matched by ".".
This has been done, by adding "It is unspecified whether it matches an encoding
error" as part of a fix for Bug#30643.
$ man grep says
The period . matches any single character.
OK but it should also mention that illegal characters for the current
locale will never be matched by ".".
$ LC_ALL=C grep .東看 x.html|qprint -e
=E5?=91=E6=9D=B1=E7=9C=8B
$ LC_ALL=zh_TW.UTF-8 grep .東看 x.html|q
