Use `xmlschema` where even more appropriate!

app/helpers/issues_helper.rb

@@ -80,7 +80,7 @@ module IssuesHelper
       xml.link    href: namespace_project_issue_url(issue.project.namespace,
                                                     issue.project, issue)
       xml.title   truncate(issue.title, length: 80)
-      xml.updated issue.created_at.to_s(:iso8601)
+      xml.updated issue.created_at.xmlschema
       xml.media   :thumbnail, width: "40", height: "40", url: image_url(avatar_icon(issue.author_email))
       xml.author do |author|
         xml.name issue.author_name

app/views/dashboard/issues.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: issues_dashboard_url(format: :atom, private_token: current_user.try(:private_token)), rel: "self", type: "application/atom+xml"
   xml.link    href: issues_dashboard_url, rel: "alternate", type: "text/html"
   xml.id      issues_dashboard_url
-  xml.updated @issues.first.created_at.to_s(:iso8601) if @issues.any?
+  xml.updated @issues.first.created_at.xmlschema if @issues.any?
 
   @issues.each do |issue|
     issue_to_atom(xml, issue)

app/views/dashboard/projects/index.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: dashboard_projects_url(format: :atom, private_token: current_user.try(:private_token)), rel: "self", type: "application/atom+xml"
   xml.link    href: dashboard_projects_url, rel: "alternate", type: "text/html"
   xml.id      dashboard_projects_url
-  xml.updated @events.latest_update_time.to_s(:iso8601) if @events.any?
+  xml.updated @events.latest_update_time.xmlschema if @events.any?
 
   @events.each do |event|
     event_to_atom(xml, event)

app/views/groups/issues.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: issues_dashboard_url(format: :atom, private_token: @user.private_token), rel: "self", type: "application/atom+xml"
   xml.link    href: issues_dashboard_url, rel: "alternate", type: "text/html"
   xml.id      issues_dashboard_url
-  xml.updated @issues.first.created_at.to_s(:iso8601) if @issues.any?
+  xml.updated @issues.first.created_at.xmlschema if @issues.any?
 
   @issues.each do |issue|
     issue_to_atom(xml, issue)

app/views/groups/show.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: group_url(@group, format: :atom, private_token: current_user.try(:private_token)), rel: "self", type: "application/atom+xml"
   xml.link    href: group_url(@group), rel: "alternate", type: "text/html"
   xml.id      group_url(@group)
-  xml.updated @events.latest_update_time.to_s(:iso8601) if @events.any?
+  xml.updated @events.latest_update_time.xmlschema if @events.any?
 
   @events.each do |event|
     event_to_atom(xml, event)

app/views/projects/commits/show.atom.builder

@@ -4,14 +4,14 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: namespace_project_commits_url(@project.namespace, @project, @ref, format: :atom, private_token: current_user.try(:private_token)), rel: "self", type: "application/atom+xml"
   xml.link    href: namespace_project_commits_url(@project.namespace, @project, @ref), rel: "alternate", type: "text/html"
   xml.id      namespace_project_commits_url(@project.namespace, @project, @ref)
-  xml.updated @commits.first.committed_date.to_s(:iso8601) if @commits.any?
+  xml.updated @commits.first.committed_date.xmlschema if @commits.any?
 
   @commits.each do |commit|
     xml.entry do
       xml.id      namespace_project_commit_url(@project.namespace, @project, id: commit.id)
       xml.link    href: namespace_project_commit_url(@project.namespace, @project, id: commit.id)
       xml.title   truncate(commit.title, length: 80)
-      xml.updated commit.committed_date.to_s(:iso8601)
+      xml.updated commit.committed_date.xmlschema
       xml.media   :thumbnail, width: "40", height: "40", url: image_url(avatar_icon(commit.author_email))
       xml.author do |author|
         xml.name commit.author_name

app/views/projects/issues/index.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: namespace_project_issues_url(@project.namespace, @project, format: :atom, private_token: current_user.try(:private_token)), rel: "self", type: "application/atom+xml"
   xml.link    href: namespace_project_issues_url(@project.namespace, @project), rel: "alternate", type: "text/html"
   xml.id      namespace_project_issues_url(@project.namespace, @project)
-  xml.updated @issues.first.created_at.to_s(:iso8601) if @issues.any?
+  xml.updated @issues.first.created_at.xmlschema if @issues.any?
 
   @issues.each do |issue|
     issue_to_atom(xml, issue)

app/views/projects/show.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: namespace_project_url(@project.namespace, @project, format: :atom, private_token: current_user.try(:private_token)), rel: "self", type: "application/atom+xml"
   xml.link    href: namespace_project_url(@project.namespace, @project), rel: "alternate", type: "text/html"
   xml.id      namespace_project_url(@project.namespace, @project)
-  xml.updated @events.latest_update_time.to_s(:iso8601) if @events.any?
+  xml.updated @events.latest_update_time.xmlschema if @events.any?
 
   @events.each do |event|
     event_to_atom(xml, event)

app/views/users/show.atom.builder

@@ -4,7 +4,7 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.link    href: user_url(@user, :atom), rel: "self", type: "application/atom+xml"
   xml.link    href: user_url(@user), rel: "alternate", type: "text/html"
   xml.id      user_url(@user)
-  xml.updated @events.latest_update_time.to_s(:iso8601) if @events.any?
+  xml.updated @events.latest_update_time.xmlschema if @events.any?
 
   @events.each do |event|
     event_to_atom(xml, event)