Bug 157074 - verify-new-product doubles comment linefeeds on Win32

r=myk, jouni

webtools/bugzilla/checksetup.pl

@@ -892,6 +892,7 @@ END
          strike => sub { return $_; } ,
          js => sub { return $_; },
          html => sub { return $_; },
+         html_linebreak => sub { return $_; },
          url_quote => sub { return $_; },
         },
       }) || die ("Could not create Template: " . Template->error() . "\n");

webtools/bugzilla/globals.pl

@@ -1561,6 +1561,20 @@ $::template ||= Template->new(
         
         html => \&html_quote , 
 
+        # HTML collapses newlines in element attributes to a single space,
+        # so form elements which may have whitespace (ie comments) need
+        # to be encoded using 
+        # See bugs 4928, 22983 and 32000 for more details
+        html_linebreak => sub
+        {
+            my ($var) = @_;
+            $var =~ s/\r\n/\
/g;
+            $var =~ s/\n\r/\
/g;
+            $var =~ s/\r/\
/g;
+            $var =~ s/\n/\
/g;
+            return $var;
+        } ,
+
         # This subroutine in CGI.pl escapes characters in a variable
         # or value string for use in a query string.  It escapes all
         # characters NOT in the regex set: [a-zA-Z0-9_\-.].  The 'uri'

webtools/bugzilla/process_bug.cgi

@@ -959,9 +959,6 @@ foreach my $id (@idlist) {
 
         $vars->{'start_at'} = $::FORM{'longdesclength'};
         $vars->{'comments'} = GetComments($id);
-        
-        $::FORM{'comment'} =~ s/\r\n/\n/g;     # Get rid of windows-style line endings.
-        $::FORM{'comment'} =~ s/\r/\n/g;       # Get rid of mac-style line endings.
 
         $::FORM{'delta_ts'} = $delta_ts;
         $vars->{'form'} = \%::FORM;

webtools/bugzilla/t/004template.t

@@ -77,6 +77,7 @@ my $template = Template->new(
     # See globals.pl for the actual codebase definitions.
     FILTERS =>
     {
+        html_linebreak => sub { return $_; },
         js        => sub { return $_ } ,
         strike    => sub { return $_ } ,
         url_quote => sub { return $_ } ,

webtools/bugzilla/template/en/default/global/hidden-fields.html.tmpl

@@ -28,5 +28,6 @@
 [%# Generate hidden form fields for non-excluded fields. %]
 [% FOREACH field = form %]
   [% NEXT IF exclude && field.key.search(exclude) %]
-  <input type="hidden" name="[% field.key %]" value="[% field.value FILTER html %]">
+  <input type="hidden" name="[% field.key %]"
+         value="[% field.value | html | html_newline %]">
 [% END %]