UserTrack — enable sending of X-Track HTTP header
Prior to Interchange 5.5.2, there was no ability to control
X-Track
header, and it was unconditionally enabled
if TrackFile
was defined.
Interchange 5.9.0:
Source: lib/Vend/Config.pm
Line 5434 (context shows lines 5434-5446)
sub parse_yesno { my($var, $value) = @_; $_ = $value; if (m/^y/i || m/^t/i || m/^1/ || m/^on/i) { return 1; } elsif (m/^n/i || m/^f/i || m/^0/ || m/^of/i) { return 0; } else { config_error("Use 'yes' or 'no' for the $var directive\n"); } }