patch 8.1.1705: using ~{} for a literal dict is not nice

Problem:    Using ~{} for a literal dict is not nice.
Solution:   Use #{} instead.

runtime/doc/eval.txt

@@ -60,7 +60,7 @@ Dictionary	An associative, unordered array: Each entry has a key and a
 		value. |Dictionary|
 		Examples:
 			{'blue': "#0000ff", 'red': "#ff0000"}
-			~{blue: "#0000ff", red: "#ff0000"}
+			#{blue: "#0000ff", red: "#ff0000"}
 
 Funcref		A reference to a function |Funcref|.
 		Example: function("strlen")
@@ -482,11 +482,11 @@ entry.  Note that the String '04' and the Number 04 are different, since the
 Number will be converted to the String '4'.  The empty string can also be used
 as a key.
 						*literal-Dict*
-To avoid having to put quotes around every key the ~{} form can be used.  This
+To avoid having to put quotes around every key the #{} form can be used.  This
 does require the key to consist only of ASCII letters, digits, '-' and '_'.
 Example: >
-	let mydict = ~{zero: 0, one_key: 1, two-key: 2, 333: 3}
-Note that 333 here is the string "333".  Empty keys are not possible here.
+	let mydict = #{zero: 0, one_key: 1, two-key: 2, 333: 3}
+Note that 333 here is the string "333".  Empty keys are not possible with #{}.
 
 A value can be any expression.  Using a Dictionary for a value creates a
 nested Dictionary: >

runtime/doc/popup.txt

@@ -178,7 +178,7 @@ DETAILS						*popup-function-details*
 popup_atcursor({what}, {options})			*popup_atcursor()*
 		Show the {what} above the cursor, and close it when the cursor
 		moves.  This works like: >
-			call popup_create({what}, ~{
+			call popup_create({what}, #{
 				\ pos: 'botleft',
 				\ line: 'cursor-1',
 				\ col: 'cursor',
@@ -191,7 +191,7 @@ popup_beval({what}, {options})			*popup_beval()*
 		Show the {what} above the position from 'ballooneval' and
 		close it when the mouse moves.  This works like: >
 		  let pos = screenpos(v:beval_winnr, v:beval_lnum, v:beval_col)
-		  call popup_create({what}, ~{
+		  call popup_create({what}, #{
 			\ pos: 'botleft',
 			\ line: pos.row - 1,
 			\ col: pos.col,
@@ -240,7 +240,7 @@ popup_create({what}, {options})				*popup_create()*
 
 popup_dialog({what}, {options})				*popup_dialog()*
 		Just like |popup_create()| but with these default options: >
-			call popup_create({what}, ~{
+			call popup_create({what}, #{
 				\ pos: 'center',
 				\ zindex: 200,
 				\ drag: 1,
@@ -249,7 +249,7 @@ popup_dialog({what}, {options})				*popup_dialog()*
 				\})
 <		Use {options} to change the properties. E.g. add a 'filter'
 		option with value 'popup_filter_yesno'.  Example: >
-			call popup_create('do you want to quit (Yes/no)?', ~{
+			call popup_create('do you want to quit (Yes/no)?', #{
 				\ filter: 'popup_filter_yesno',
 				\ callback: 'QuitCallback',
 				\ })
@@ -356,7 +356,7 @@ popup_menu({what}, {options})				 *popup_menu()*
 		items with cursorkeys, and close it an item is selected with
 		Space or Enter. {what} should have multiple lines to make this
 		useful.  This works like: >
-			call popup_create({what}, ~{
+			call popup_create({what}, #{
 				\ pos: 'center',
 				\ zindex: 200,
 				\ drag: 1,
@@ -391,7 +391,7 @@ popup_move({id}, {options})					*popup_move()*
 popup_notification({what}, {options})			 *popup_notification()*
 		Show the {what} for 3 seconds at the top of the Vim window.
 		This works like: >
-			call popup_create({what}, ~{
+			call popup_create({what}, #{
 				\ line: 1,
 				\ col: 10,
 				\ minwidth: 20,
@@ -732,15 +732,15 @@ Prompt the user to press y/Y or n/N: >
 	   endif
 	endfunc
 
-	call popup_dialog('Continue? y/n', ~{
+	call popup_dialog('Continue? y/n', #{
 		\ filter: 'popup_filter_yesno',
 		\ callback: 'MyDialogHandler',
 		\ })
 <
 					*popup_menu-shortcut-example*
 Extend popup_filter_menu() with shortcut keys: >
 
-	call popup_menu(['Save', 'Cancel', 'Discard'], ~{
+	call popup_menu(['Save', 'Cancel', 'Discard'], #{
 		\ filter: 'MyMenuFilter',
 		\ callback: 'MyMenuHandler',
 		\ })
@@ -781,7 +781,7 @@ Example for using a popup window for 'ballooneval': >
 	    endif
 	    call popup_close(s:winid)
 	  endif
-	  let s:winid = popup_beval(v:beval_text, ~{mousemoved: 'word'})
+	  let s:winid = popup_beval(v:beval_text, #{mousemoved: 'word'})
 	  let s:last_text = v:beval_text
 	  return ''
 	endfunc
@@ -812,7 +812,7 @@ this example simulated with a timer callback: >
 	endfunc
 
 	func ShowPopup(id)
-	  let s:winid = popup_beval(s:balloonText, ~{mousemoved: 'word'})
+	  let s:winid = popup_beval(s:balloonText, #{mousemoved: 'word'})
 	endfunc
 <
 

src/eval.c

@@ -4392,7 +4392,7 @@ eval6(
  *  (expression)	nested expression
  *  [expr, expr]	List
  *  {key: val, key: val}   Dictionary
- *  ~{key: val, key: val}  Dictionary with literal keys
+ *  #{key: val, key: val}  Dictionary with literal keys
  *
  *  Also handle:
  *  ! in front		logical NOT
@@ -4577,9 +4577,9 @@ eval7(
 		break;
 
     /*
-     * Dictionary: ~{key: val, key: val}
+     * Dictionary: #{key: val, key: val}
      */
-    case '~':	if ((*arg)[1] == '{')
+    case '#':	if ((*arg)[1] == '{')
 		{
 		    ++*arg;
 		    ret = dict_get_tv(arg, rettv, evaluate, TRUE);
@@ -7963,8 +7963,7 @@ find_var_ht(char_u *name, char_u **varname)
     *varname = name + 2;
     if (*name == 'g')				/* global variable */
 	return &globvarht;
-    /* There must be no ':' or '#' in the rest of the name, unless g: is used
-     */
+    // There must be no ':' or '#' in the rest of the name, unless g: is used
     if (vim_strchr(name + 2, ':') != NULL
 			       || vim_strchr(name + 2, AUTOLOAD_CHAR) != NULL)
 	return NULL;

src/testdir/test_listdict.vim

@@ -281,7 +281,7 @@ func Test_dict_func_remove_in_use()
 endfunc
 
 func Test_dict_literal_keys()
-  call assert_equal({'one': 1, 'two2': 2, '3three': 3, '44': 4}, ~{one: 1, two2: 2, 3three: 3, 44: 4},)
+  call assert_equal({'one': 1, 'two2': 2, '3three': 3, '44': 4}, #{one: 1, two2: 2, 3three: 3, 44: 4},)
 
   " why *{} cannot be used
   let blue = 'blue'