names that contain more than one non-alphanumeric character.
svn path=/main/trunk/; revision=9419
SANDBOX_LOG SANDBOX_ON"
filtered_vars="${readonly_bash_vars} ${READONLY_PORTAGE_VARS}
BASH_[_[:alnum:]]* PATH
- [[:digit:]][_[:alnum:]]* [_[:alnum:]]*[^_[:alnum:]][_[:alnum:]]*"
+ [[:digit:]][_[:alnum:]]* [^[:space:]]*[^_[:alnum:]][^[:space:]]*"
if hasq --filter-sandbox $* ; then
filtered_vars="${filtered_vars} SANDBOX_[_[:alnum:]]*"
else