AC_SUBST(BACKUP_SED_COND)
if date +%Y-%m-%d 2>/dev/null >&2; then
- BACKUP_SED_COND='/^#ELSE_DATE_FORMAT_OK/,/^#ENDIF_DATE_FORMAT_OK/d;/^#IF_DATE_FORMAT_OK/d'
+ BACKUP_SED_COND='/^\#ELSE_DATE_FORMAT_OK/,/^\#ENDIF_DATE_FORMAT_OK/d;/^\#IF_DATE_FORMAT_OK/d'
else
- BACKUP_SED_COND='/^#IF_DATE_FORMAT_OK/,/^#ELSE_DATE_FORMAT_OK/d;/^#ENDIF_DATE_FORMAT_OK/d'
+ BACKUP_SED_COND='/^\#IF_DATE_FORMAT_OK/,/^\#ELSE_DATE_FORMAT_OK/d;/^\#ENDIF_DATE_FORMAT_OK/d'
fi