Bug 1136570 - Pre-land strings for initial set of pages in ReadingList. r=Gijs

--HG--
extra : transplant_source : %FB%B1%E2-%3C%5E%0A%FAA%90%7B%DDW%0Cwv%17%C1%A9%E1

browser/locales/en-US/chrome/browser/browser.properties

@@ -663,6 +663,8 @@ appmenu.updateFailed.description = Background update failed, please download upd
 appmenu.restartBrowserButton.label = Restart %S
 appmenu.downloadUpdateButton.label = Download Update
 
+# LOCALIZATION NOTE : FILE Reading List and Reader View are feature names and therefore typically used as proper nouns.
+
 # Pre-landed string for bug 1124153
 # LOCALIZATION NOTE(readingList.sidebar.showMore.tooltip): %S is the number of items that will be added by clicking this button
 # Semicolon-separated list of plural forms. See:
@@ -676,9 +678,9 @@ readingList.urlbar.removeDone = Page removed from Reading List
 # Pre-landed strings for bug 1133610 & bug 1133611
 # LOCALIZATION NOTE(readingList.promo.noSync.label): %S a link, using the text from readingList.promo.noSync.link
 readingList.promo.noSync.label = Access your Reading List on all your devices. %S
-# LOCALIZATION NOTE(readingList.promo.noSync.link): $S is syncBrandShortName
+# LOCALIZATION NOTE(readingList.promo.noSync.link): %S is syncBrandShortName
 readingList.promo.noSync.link = Get started with %S.
-# LOCALIZATION NOTE(readingList.promo.hasSync.label): $S is syncBrandShortName
+# LOCALIZATION NOTE(readingList.promo.hasSync.label): %S is syncBrandShortName
 readingList.promo.hasSync.label = You can now access your Reading List on all your devices connected by %S.
 
 # Pre-landed strings for bug 1136570
@@ -714,3 +716,26 @@ readingList.promo.firstUse.syncSignedIn.body = Open your Reading List articles e
 # LOCALIZATION NOTE(readingList.promo.firstUse.syncSignedIn.moveToButton):
 # » is used as an indication that pressing this button progresses through the tour.
 readingList.promo.firstUse.syncSignedIn.moveToButton = Next: Easy access »
+
+# Pre-landed strings for bug 1136570
+# LOCALIZATION NOTE(readingList.prepopulatedArticles.learnMore):
+# This will show as an item in the Reading List, and will link to a page that explains and shows how the Reading List and Reader View works.
+# This will be staged at:
+#   https://www.allizom.org/firefox/reading/start/
+# And eventually available at:
+#   https://www.mozilla.org/firefox/reading/start/
+# %S is brandShortName
+readingList.prepopulatedArticles.learnMore = Learn how %S makes reading more pleasant
+# LOCALIZATION NOTE(readingList.prepopulatedArticles.supportReadingList):
+# This will show as an item in the Reading List, and will link to a SUMO article describing the Reading List:
+#   https://support.mozilla.org/kb/save-sync-and-read-pages-anywhere-reading-list
+readingList.prepopulatedArticles.supportReadingList = Save, sync and read pages anywhere with Reading List
+# LOCALIZATION NOTE(readingList.prepopulatedArticles.supportReaderView):
+# This will show as an item in the Reading List, and will link to a SUMO article describing the Reader View:
+#   https://support.mozilla.org/kb/enjoy-clutter-free-web-pages-reader-view
+readingList.prepopulatedArticles.supportReaderView = Enjoy clutter-free Web pages with Reader View
+# LOCALIZATION NOTE(readingList.prepopulatedArticles.learnMore):
+# This will show as an item in the Reading List, and will link to a SUMO article describing Sync:
+#   https://support.mozilla.org/kb/how-do-i-set-up-firefox-sync
+# %S is syncBrandShortName
+readingList.prepopulatedArticles.supportSync = Access your Reading List anywhere with %S