??? The escape code to highlight characters is hardcoded into
sendmail. Your display must support ANSI-standard escape sequences for this to
work. There is no plan to use standard termcap(5) library support for this ???aid to
rule-set hackers.???
Beginning withV8.12, sendmail has begun transitioning to more easily remembered
alphanumeric debugging categories. For the V8 series, this is being accomplished by
adding alphanumeric categories rather than replacing the existing numeric categories
entirely.
The forms for this new way of specifying a debug category look like this:
-dprogram_check_process.level
-dprogram_trace_process.level
Here, the -d is literal. The program_ specifies the program for which the debugging
flag applies. Currently, the only program_ available is ???sm_??? for sendmail.
The check lets you know that a particular category is intended for checks on limits,
states, or the rationality of values. The trace lets you know that a particular category
is intended to trace the behavior of a section of code, or of behavior common to
many sections of code.
The _process specifies just what aspect of the code will be checked or traced.
Table 15-1, we list the handful of new categories that currently use this new form.
All of these new categories are intended to be used by sendmail developers and are
not generally useful to mail administrators.
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