[PATCH 1/3] lei mail-diff: do not default to 'eml'

[Eric Wong]

In retrospect, this doesn't make sense, since it needs at least
two messages to diff.  So go about "normal" input rules and
require users to specify the format.
---
 lib/PublicInbox/LeiMailDiff.pm | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/PublicInbox/LeiMailDiff.pm b/lib/PublicInbox/LeiMailDiff.pm
index b21a0c36..48ba74cf 100644
--- a/lib/PublicInbox/LeiMailDiff.pm
+++ b/lib/PublicInbox/LeiMailDiff.pm
@@ -76,7 +76,6 @@ sub input_eml_cb { # used by PublicInbox::LeiInput::input_fh
 
 sub lei_mail_diff {
        my ($lei, @argv) = @_;
-       $lei->{opt}->{'in-format'} //= 'eml' if !grep(/\A[a-z0-9]+:/i, @argv);
        my $self = bless {}, __PACKAGE__;
        $self->prepare_inputs($lei, \@argv) or return;
        my $isatty = -t $lei->{1};
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