git-send-email: add rfc2047 quoting for "=?"

Krzysztof Mazur · peff · commit ce1459f740a5 · 2012-10-25T06:06:00.000-04:00
For raw subjects rfc2047 quoting is needed not only for non-ASCII characters,
but also for any possible rfc2047 in it.

Signed-off-by: Krzysztof Mazur &lt;krzysiek@podlesie.net&gt;
Signed-off-by: Jeff King &lt;peff@peff.net&gt;
diff --git a/git-send-email.perl b/git-send-email.perl
@@ -908,7 +908,7 @@ sub is_rfc2047_quoted {
 sub subject_needs_rfc2047_quoting {
 	my $s = shift;
 
-	return ($s =~ /[^[:ascii:]]/);
+	return ($s =~ /[^[:ascii:]]/) || ($s =~ /=\?/);
 }
 
 sub quote_subject {

Original file line number	Diff line number	Diff line change
`@@ -908,7 +908,7 @@ sub is_rfc2047_quoted {`
`908`	`908`	`sub subject_needs_rfc2047_quoting {`
`909`	`909`	`my $s = shift;`
`910`	`910`
`911`		`- return ($s =~ /[^[:ascii:]]/);`
	`911`	`+ return ($s =~ /[^[:ascii:]]/) \|\| ($s =~ /=\?/);`
`912`	`912`	`}`
`913`	`913`
`914`	`914`	`sub quote_subject {`