L\bLi\bis\bst\bts\bs t\bth\bha\bat\bt c\bca\ban\bn b\bbe\be u\bus\bse\bed\bd i\bin\bn a\ba b\bbo\boo\bol\ble\bea\ban\bn c\bco\bon\bnt\bte\bex\bxt\bt:
env_check Environment variables to be removed from the user's
- environment if unless they are considered ``safe''.
- For all variables except TZ, ``safe'' means that the
+ environment unless they are considered ``safe''. For
+ all variables except TZ, ``safe'' means that the
variable's value does not contain any `%' or `/'
characters. This can be used to guard against printf-
style format vulnerabilities in poorly-written
\fBLists that can be used in a boolean context\fR:
.TP 18n
env_check
-Environment variables to be removed from the user's environment if
+Environment variables to be removed from the user's environment
unless they are considered
\(lqsafe\(rq.
For all variables except
.Sy Lists that can be used in a boolean context :
.Bl -tag -width 16n
.It env_check
-Environment variables to be removed from the user's environment if
+Environment variables to be removed from the user's environment
unless they are considered
.Dq safe .
For all variables except