Version 3.36
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1. Bug in string expansion: if a "fail" substring of a conditional contained
another conditional that used the "fail" facility, Exim didn't swallow the
right number of closing parentheses in the case when the original condition 
succeeded (i.e. when the condition containing the "fail" should be 
skipped). 

2. NULLs in a message body are turned into spaces for $message_body[_end].

3. If a message with the -N flag was on the spool, and was selected during a
queue run by -R or -S, the -N flag was incorrectly passed on to all subsequent
messages, leading to their being thrown away.

4. The -H files for Exim 4 have changed again with regard to the data for 
one_time addresses. Make Exim 3 capable of coping with the new format.

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