Support for old hidden pref “hide_timezone”

Funny thing is this preference was added to Claws Mail itself by the
current committer of this change, but more than four years ago. And it
went completely forgotten until today, when a reference to it in a ML
message was read... ¯\_(ツ)_/¯

diff --git a/clawsker b/clawsker
index f986f04497c41696f4f3cd420f872615123b4076..f9b5e5db08f819df60f7a33b14824ca7fc6faa41 100755 (executable)
--- a/clawsker
+++ b/clawsker
@@ -157,6 +157,8 @@ sub _ {
     h_beh_fold_swc => _('On folder name completion text will match any part of the string or only from the start.'),
     l_beh_rewrite_ff => _('Rewrite first \'From\' using QP encoding'),
     h_beh_rewrite_ff => _('Workaround some servers which convert first \'From\' to \'>From\' by using Quoted-Printable transfer encoding instead of 7bit/8bit encoding.'),
+    l_beh_hide_tz => _('Hide time zone information'),
+    h_beh_hide_tz => _('On outgoing messages, sets time zone of date headers to the unknown timezone value "-0000", as specified by RFC 5322'),
 
     l_col_emphasis => _('X-Mailer header'),
     h_col_emphasis => _('The colour used for the X-Mailer line when its value is Claws Mail.'),
@@ -1073,10 +1075,18 @@ sub new_gui_page() {
         '3.14.0.94',
         '0',
     ],
+    hide_tz => [
+        'hide_timezone',
+        $xl::s{l_beh_hide_tz},
+        $xl::s{h_beh_hide_tz},
+        'bool',
+        '3.14.0.22',
+        '0',
+    ],
 );
 
 sub new_behaviour_page() {
-    return new_grid_pack (2, 20, [
+    return new_grid_pack (2, 21, [
         [ _('Drag \'n\' drop') ],
         [ new_text_box_for_int (\%pr::beh, 'hover_t', \%HPVALUE) ],
         [ new_check_button_for (\%pr::beh, 'warn_dnd', \%HPVALUE) ],
@@ -1094,6 +1104,7 @@ sub new_behaviour_page() {
             new_check_button_for (\%pr::beh, 'inline_at', \%HPVALUE) ],
         [ new_check_button_for (\%pr::beh, 'dangerous', \%HPVALUE),
             new_check_button_for (\%pr::beh, 'rewrite_ff', \%HPVALUE) ],
+        [ new_check_button_for (\%pr::beh, 'hide_tz', \%HPVALUE) ],
         [ '--' ],
         [ _('Completion') ],
         [ new_check_button_for (\%pr::beh, 'addr_swc', \%HPVALUE) ],