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+To: vim_dev@googlegroups.com
+Subject: Patch 8.1.1447
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 8.1.1447
+Problem: Not allowed to create an empty popup.
+Solution: Remove restriction that there is some text. (closes #4470)
+Files: src/popupwin.c, src/testdir/test_popupwin.vim
+
+
+*** ../vim-8.1.1446/src/popupwin.c 2019-06-01 22:49:23.697685695 +0200
+--- src/popupwin.c 2019-06-02 13:09:37.696928315 +0200
+***************
+*** 488,499 ****
+ int nr;
+
+ // Check arguments look OK.
+! if (!(argvars[0].v_type == VAR_STRING
+! && argvars[0].vval.v_string != NULL
+! && STRLEN(argvars[0].vval.v_string) > 0)
+! && !(argvars[0].v_type == VAR_LIST
+! && argvars[0].vval.v_list != NULL
+! && argvars[0].vval.v_list->lv_len > 0))
+ {
+ emsg(_(e_listreq));
+ return;
+--- 488,495 ----
+ int nr;
+
+ // Check arguments look OK.
+! if (!(argvars[0].v_type == VAR_STRING && argvars[0].vval.v_string != NULL)
+! && !(argvars[0].v_type == VAR_LIST && argvars[0].vval.v_list != NULL))
+ {
+ emsg(_(e_listreq));
+ return;
+***************
+*** 560,571 ****
+ {
+ list_T *l = argvars[0].vval.v_list;
+
+! if (l->lv_first->li_tv.v_type == VAR_STRING)
+! // list of strings
+! add_popup_strings(buf, l);
+! else
+! // list of dictionaries
+! add_popup_dicts(buf, l);
+ }
+
+ // Delete the line of the empty buffer.
+--- 556,570 ----
+ {
+ list_T *l = argvars[0].vval.v_list;
+
+! if (l->lv_len > 0)
+! {
+! if (l->lv_first->li_tv.v_type == VAR_STRING)
+! // list of strings
+! add_popup_strings(buf, l);
+! else
+! // list of dictionaries
+! add_popup_dicts(buf, l);
+! }
+ }
+
+ // Delete the line of the empty buffer.
+*** ../vim-8.1.1446/src/testdir/test_popupwin.vim 2019-06-01 22:49:23.701685671 +0200
+--- src/testdir/test_popupwin.vim 2019-06-02 13:19:58.857248458 +0200
+***************
+*** 596,598 ****
+--- 596,612 ----
+ call popup_close(winid, 'done')
+ call assert_equal('done', g:result)
+ endfunc
++
++ func Test_popup_empty()
++ let winid = popup_create('', {'padding': [2,2,2,2]})
++ redraw
++ let pos = popup_getpos(winid)
++ call assert_equal(4, pos.width)
++ call assert_equal(5, pos.height)
++
++ let winid = popup_create([], {'border': []})
++ redraw
++ let pos = popup_getpos(winid)
++ call assert_equal(2, pos.width)
++ call assert_equal(3, pos.height)
++ endfunc
+*** ../vim-8.1.1446/src/version.c 2019-06-01 22:49:23.701685671 +0200
+--- src/version.c 2019-06-02 13:21:01.044891751 +0200
+***************
+*** 769,770 ****
+--- 769,772 ----
+ { /* Add new patch number below this line */
++ /**/
++ 1447,
+ /**/
+
+--
+hundred-and-one symptoms of being an internet addict:
+86. E-mail Deficiency Depression (EDD) forces you to e-mail yourself.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///