Update runtime files, add Danish translations.

runtime/doc/todo.txt

@@ -91,24 +91,13 @@ Errors found with random data:
 More warnings from static analysis:
 https://lgtm.com/projects/g/vim/vim/alerts/?mode=list
 
-Patch to fix that :cexpr no longer jumps to first error. (Yegappan 2018 Jun
-25, #3092)
-
 Pasting foo} causes Vim to behave weird. (John Little, 2018 Jun 17)
 Related to bracketed paste.  I cannot reproduce it.
 
 Using ":file" in quickfix window during an autocommand doesn't work. 
 (Jason Franklin, 2018 May 23) Allow for using it when there is no argument.
 
-Pull request #2967: Allow white space in sign text. (Ben Jackson)
-
-Patch for xterm and vt320 builtin termcap. (Kouichi Iwamoto, 2018 May 31,
-#2973)
-
-Patch for matchit and matchparen. (Christian, 2018 Jun 25)
-
-Patch to add more testing for :cd command. (Dominique Pelle, 2018 May 30,
-#2972)
+Patch in pull request #2967: Allow white space in sign text. (Ben Jackson)
 
 Whenever the file name is "~" then expand('%:p') returns $HOME. (Aidan
 Shafran, 2018 Jun 23, #3072)  Proposed patch by Aidan, 2018 Jun 24.
@@ -116,12 +105,16 @@ Shafran, 2018 Jun 23, #3072)  Proposed patch by Aidan, 2018 Jun 24.
 Patch to set w_set_curswant when setting the cursor in language interfaces.
 (David Hotham, 2018 Jun 22, #3060)
 
+Patch for Lua 5.3. (Ken Takata, 2018 Jul 5, #3157)
+
 Patch to make CTRL-W <CR> work properly in a quickfix window. (Jason Franklin,
 2018 May 30)
 
 Patch to make mode() return something different for Normal mode when coming
 from Insert mode with CTRL-O. (#3000)
 
+Patches for Python: #3162, #3263 (Ozaki Kiichi)
+
 Script generated by :mksession does not work well if there are windows with
 modified buffers
   change "silent only" into "silent only!"
@@ -131,6 +124,9 @@ modified buffers
 
 Patch to make :help work for tags with a ?. (Hirohito Higashi, 2018 May 28)
 
+Patch to adjust to DPI setting for GTK. (Roel van de Kraats, 2017 Nov 20,
+#2357)
+
 Compiler warnings (geeknik, 2017 Oct 26):
 - signed integer overflow in do_sub() (#2249)
 - signed integer overflow in get_address() (#2248)
@@ -398,9 +394,6 @@ Problem with 'delcombine'. (agguser, 2017 Nov 10, #2313)
 MS-Windows: buffer completion doesn't work when using backslash (or slash)
 for a path separator. (xtal8, #2201)
 
-Patch to adjust to DPI setting for GTK. (Roel van de Kraats, 2017 Nov 20,
-#2357)
-
 Test runtime files.
 Start with filetype detection: testdir/test_filetype.vim