Also linkify 'Last set from' in :set output.

common/content/commands.js

@@ -561,7 +561,7 @@ const Commands = Module("commands", {
             sourcing = sourcing || { file: "[Command Line]", line: 1 };
             this.sourcing = update({}, sourcing);
 
-            args = update({ setFrom: this.sourcing.file }, args || {});
+            args = update({}, args || {});
 
             if (tokens)
                 string = commands.replaceTokens(string, tokens);

common/content/options.js

@@ -892,13 +892,15 @@ const Options = Module("options", {
                     if (opt.all)
                         options.list(opt.onlyNonDefault, opt.scope);
                     else {
+                        XML.prettyPrinting = false;
+                        XML.ignoreWhitespace = false;
                         if (option.type == "boolean")
                             var msg = (opt.optionValue ? "  " : "no") + option.name;
                         else
                             msg = "  " + option.name + "=" + opt.option.stringify(opt.optionValue);
 
                         if (options["verbose"] > 0 && option.setFrom)
-                            msg += "\n        Last set from " + option.setFrom;
+                            msg = <>{msg}<br/>        Last set from {template.sourceLink(option.setFrom)}</>;
 
                         dactyl.echo(<span highlight="CmdOutput Message">{msg}</span>);
                     }
@@ -918,7 +920,7 @@ const Options = Module("options", {
                     }
                     if (res)
                         dactyl.echoerr(res);
-                    option.setFrom = modifiers.setFrom || null;
+                    option.setFrom = commands.getCaller(null);
                 }
             }
         }

common/modules/template.jsm

@@ -244,6 +244,24 @@ const Template = Module("Template", {
         // </e4x>
     },
 
+    sourceLink: function (frame) {
+        let url = (frame.filename || "unknown").replace(/.* -> /, "");
+        function getPath(url) {
+            try {
+                return util.getFile(util.newURI(url)).path;
+            }
+            catch (e) {
+                return url;
+            }
+        }
+
+        return <a xmlns:dactyl={NS} dactyl:command="buffer.viewSource"
+            href={url} line={frame.lineNumber}
+            highlight="URL">{
+            getPath(url) + ":" + frame.lineNumber
+        }</a>
+    },
+
     table: function table(title, data, indent) {
         let table =
         // <e4x>
@@ -289,14 +307,6 @@ const Template = Module("Template", {
     },
 
     usage: function usage(iter) {
-        function getPath(url) {
-            try {
-                return util.getFile(util.newURI(url)).path;
-            }
-            catch (e) {
-                return url;
-            }
-        }
         // <e4x>
         return <table>
             {
@@ -304,15 +314,10 @@ const Template = Module("Template", {
                 <tr>
                     <td style="padding-right: 20px" highlight="Usage">{
                         let (name = item.name || item.names[0], frame = item.definedAt)
-                            !frame ? name : /* Help... --Kris */
-                                let (url = (frame.filename || "unknown").replace(/.* -> /, ""))
-                                    <><span highlight="Title">{name}</span>&#xa0;
-                                          <span highlight="LineInfo">
-                                              Defined at&#xa0;<a xmlns:dactyl={NS} dactyl:command="buffer.viewSource"
-                                                                 href={url} line={frame.lineNumber}
-                                                                 highlight="URL">{ getPath(url) + ":" + frame.lineNumber }</a>
-                                          </span>
-                                        </>
+                            !frame ? name : <>
+                                <span highlight="Title">{name}</span>&#xa0;
+                                <span highlight="LineInfo">Defined at&#xa0;{template.sourceLink(frame)}</span>
+                            </>
                     }</td>
                     <td>{item.description}</td>
                 </tr>)