Building the Assamese transltion outputs the following warning:
----------------
*** Building gnome-getting-started-docs *** [1/1]
make -j 1
Making all in gnome-help
make[1]: Entering directory `/opt/gnome/checkout/gnome-getting-started-docs/gnome-help'
  GEN      as/as.mo
  GEN    as/
Warning: Could not merge as translation for msgid:
To dismiss the message tray, press <key>Esc</key> or <keyseq> <key href="help:gnome-help/keyboard-key-super">Super</key><key>M</key> </keyseq>.
----------------


Here is a patch for this issue. The second "key" element did not have a separator between the element name and its "href" attribute. This caused the warning.

diff --git a/gnome-help/as/as.po b/gnome-help/as/as.po
index 28b7045..74dabdc 100644
--- a/gnome-help/as/as.po
+++ b/gnome-help/as/as.po
@@ -1744,7 +1744,7 @@ msgid ""
 "To dismiss the message tray, press <key>Esc</key> or <keyseq> <key "
 "href=\"help:gnome-help/keyboard-key-super\">Super</key><key>M</key> </keyseq>."
 msgstr ""
-"বাৰ্তা ট্ৰে বাতিল কৰিবলৈ, <key>Esc</key> অথবা <keyseq> <key"
+"বাৰ্তা ট্ৰে বাতিল কৰিবলৈ, <key>Esc</key> অথবা <keyseq> <key "
 "href=\"help:gnome-help/keyboard-key-super\">Super</key><key>M</key> </keyseq> "
 "টিপক।"