NONE -> TRASH rename changes

The actual way to handle this renaming is generally just not to
mention the name of the ~ isotope, but refer to it as ~.

While the technical name is now "trash", that doesn't need to come up
necessarily all that often.

eparse.reb

@@ -29,7 +29,7 @@ ed-clear-underlines: js-awaiter [  ; repeat of code exported by %main.reb
 }
 
 ensure-underline-extension-loaded: func [
-    return: <none>
+    return: [~]
     <static> loaded (false)
 ][
     if not loaded [
@@ -47,7 +47,6 @@ ed-add-underline: js-native [
         reb.UnboxInteger(reb.ArgR("from")),
         reb.UnboxInteger(reb.ArgR("to"))
     )
-    return reb.None()
 }
 
 ed-select: js-native [
@@ -129,7 +128,7 @@ pdebug-loaded: false
 ensure-debug-panel-loaded: func [
     {Create GoldenLayout panel with a toolbar and div for stack display}
 ] [
-    if pdebug-loaded [return none]
+    if pdebug-loaded [return ~]
 
   css-do {
     .pd-panel {  /* https://discuss.codemirror.net/t/2882 */

event-logger.js

@@ -69,7 +69,7 @@ function stringify_object(object, depth=0, max_depth=2) {
         return reb.Text(JSON.stringify(window.keylog.shift()))
     }
 
-    export keylog: func [return: <none>] [
+    export keylog: func [return: [~]] [
         let key
         while [key: try-get-one-keylog] [
             print mold key

js-css-interop.reb

@@ -144,7 +144,7 @@ js-do-url-helper: js-awaiter [  ; https://stackoverflow.com/a/14521482
 js-do: func [
     {Execute JavaScript file or evaluate a string of JavaScript source}
 
-    return: <none>  ; What useful return result could there be?
+    return: [~]  ; What useful return result could there be?
     source "If BLOCK!, interpreted in JS-DO dialect (substitutes @-values)"
         [<maybe> block! text! file! url! tag!]
     /automime "Subvert incorrect server MIME-type by requesting via fetch()"
@@ -190,7 +190,7 @@ js-do: func [
 js-eval: func [
     {Evaluate JavaScript expression in local environment and return result}
 
-    return: [<opt> <none> logic? integer! text!]
+    return: [~ <opt> logic? integer! text!]
     expression "If BLOCK!, interpreted in JS-DO dialect (substitutes @-values)"
         [<maybe> block! text!]
 ][
@@ -266,7 +266,7 @@ css-do-url-helper: js-native [  ; https://stackoverflow.com/a/577002
 css-do: func [
     {Incorporate a CSS file or a snippet of CSS source into the page}
 
-    return: <none>  ; Could return an auto-generated ID for later removing (?)
+    return: [~]  ; Could return an auto-generated ID for later removing (?)
     ; 'id [<skip> issue!]  ; Idea: what if you could `css-do #id {...}`
     source "TAG! interpreted as relative to currently running script"
         [text! file! url! tag!]

main.reb

@@ -182,7 +182,7 @@ export main: adapt :console [
             [greeting: greeting-text]
         ])
 
-        print-halted: meth [return: <none>] [
+        print-halted: meth [return: [~]] [
             print "[interrupted by Escape key or HALT instruction]"
         ]
     ]
@@ -235,7 +235,7 @@ export watch: func [:arg] [
 
 === COMMAND FOR INVOKING REDBOL (Rebol2/Red Emulation) ===
 
-export redbol: func [return: <none>] [
+export redbol: func [return: [~]] [
     print delimit LF [
         ""
         "Ren-C has many changes (e.g. replacing TYPE? with TYPE OF, where"
@@ -271,10 +271,10 @@ export redbol: func [return: <none>] [
 === GOLDEN LAYOUTS DEMO ===
 
 export ensure-golden-layouts-loaded: func [
-    return: <none>
+    return: [~]
     <static> loaded (false)
 ][
-    if loaded [return none]
+    if loaded [return ~]
 
     css-do join replpad-dir %libs/golden/css/goldenlayout-base.css
     css-do join replpad-dir %libs/golden/css/themes/goldenlayout-replpad-theme.css
@@ -299,7 +299,7 @@ export ensure-golden-layouts-loaded: func [
 === CODEMIRROR 6 EDITOR DEMO ===
 
 export edit: func [
-    return: <none>
+    return: [~]
     source [url! text! file!]
     /marks
     <static> codemirror-loaded (false)

replpad.reb

@@ -148,7 +148,7 @@ use [
         title: "Console.log Scheme"
         name: 'log
 
-        init: func [return: <none> port][
+        init: func [return: [~] port][
             [@ port.spec.path]: find/match as text! port.spec.ref log::
             assert [find ["info" "log" "warn" "error"] port.spec.path]
         ]
@@ -199,19 +199,19 @@ cls: clear-screen: js-awaiter [
 replpad-write-js: js-awaiter [
     {Output lines of text to the REPLPAD (no automatic newline after)}
 
-    return: <none>
+    return: [~]
     param [<maybe> text!]
     /html
 ]{
     let param = reb.Spell(reb.ArgR('param'))
     if (param == "")
-        return reb.None()  // no-op if content is empty
+        return reb.Trash()  // no-op if content is empty
 
     let html = reb.Did(reb.ArgR('html'))
 
     if (html) {
         replpad.insertAdjacentHTML('beforeend', param)
-        return reb.None()
+        return reb.Trash()
     }
 
     let span = EnsureLastLineSpan('stdout')  // write to a stdout span
@@ -238,7 +238,7 @@ replpad-write-js: js-awaiter [
     }
 
     span.innerHTML += pieces.shift()
-    return reb.None()
+    return reb.Trash()
 }
 
 ; There are several issues with escaping to be considered in trying to write
@@ -262,13 +262,13 @@ replpad-write-js: js-awaiter [
 replpad-write: func [
     {Output a string of text to the REPLPAD (no automatic newline after)}
 
-    return: <none>
+    return: [~]
     param [<maybe> text!]
     /html
 ][
     if html [
         replpad-write-js/html param
-        return none
+        return ~
     ]
 
     ; Since we aren't using <pre> or a <textarea>, this initially had some
@@ -496,7 +496,7 @@ sys.util.make-scheme [
     title: "File Access"
     name: 'file
 
-    init: func [return: <none> port [port!]] [
+    init: func [return: [~] port [port!]] [
         case [
             not all [
                 in port.spec 'ref
@@ -827,7 +827,7 @@ sys.util.make-scheme [
     title: "Downloads Scheme"
     name: 'downloads
 
-    init: func [return: <none> port] [
+    init: func [return: [~] port] [
         assert [match text! port.spec.path]
         port.spec.path: split-path port.spec.path
     ]
@@ -926,7 +926,7 @@ now: js-native [
 
 lib.browse: func [
     {Provide a clickable link to the user to open in the browser}
-    return: <none>
+    return: [~]
     url [url!]
 ][
     comment {

storage.reb

@@ -238,7 +238,7 @@ if storage-enabled? [  ; Browser reported that it is storage-capable
         title: "Browser Storage API"
         name: 'storage
 
-        init: func [return: <none> port [port!]] [
+        init: func [return: [~] port [port!]] [
             if not all [
                 in port.spec 'ref
                 url? port.spec.ref
@@ -280,7 +280,7 @@ if storage-enabled? [  ; Browser reported that it is storage-capable
         title: "File Access"
         name: 'file
 
-        init: func [return: <none> port [port!]] [
+        init: func [return: [~] port [port!]] [
             case [
                 not all [
                     in port.spec 'ref
@@ -402,7 +402,7 @@ if storage-enabled? [  ; Browser reported that it is storage-capable
         title: "File Directory Access"
         name: 'dir
 
-        init: func [return: <none> port [port!]] [
+        init: func [return: [~] port [port!]] [
             case [
                 not all [
                     in port.spec 'ref

watchlist/main.reb

@@ -42,7 +42,7 @@ js-do %watchlist.js
 watches: []
 
 delete-watch: function [
-    return: <none>
+    return: [~]
     n [integer!]
 ][
     if n > length of watches [
@@ -194,5 +194,5 @@ system.console.print-result: enclose :system.console.print-result func [f] [
     if "none" <> js-eval {document.getElementById('right').style.display} [
         update-watches
     ]
-    return none
+    return ~
 ]