diff --git a/src/commands/CommandHandler.ts b/src/commands/CommandHandler.ts
index bef687b..4ea42a6 100644
--- a/src/commands/CommandHandler.ts
+++ b/src/commands/CommandHandler.ts
@@ -28,8 +28,10 @@ import { execRedactCommand } from "./RedactCommand";
 import { execImportCommand } from "./ImportCommand";
 import { execSetDefaultListCommand } from "./SetDefaultBanListCommand";
 import { execDeactivateCommand } from "./DeactivateCommand";
-import { execDisableProtection, execEnableProtection, execListProtections, execConfigGetProtection,
-    execConfigSetProtection, execConfigAddProtection, execConfigRemoveProtection } from "./ProtectionsCommands";
+import {
+    execDisableProtection, execEnableProtection, execListProtections, execConfigGetProtection,
+    execConfigSetProtection, execConfigAddProtection, execConfigRemoveProtection
+} from "./ProtectionsCommands";
 import { execListProtectedRooms } from "./ListProtectedRoomsCommand";
 import { execAddProtectedRoom, execRemoveProtectedRoom } from "./AddRemoveProtectedRoomsCommand";
 import { execAddRoomToDirectoryCommand, execRemoveRoomFromDirectoryCommand } from "./AddRemoveRoomFromDirectoryCommand";
@@ -43,198 +45,20 @@ import { Lexer } from "./Lexer";
 
 export const COMMAND_PREFIX = "!mjolnir";
 
-type Command = {
-    cmd: string,
-    help: string,
-    code: (roomId: string, event: {content: {body: string}}, mjolnir: Mjolnir, parts: string[], lexer: Lexer) => Promise<any>,
-};
-const COMMANDS: Command[] = [{
-    cmd: '',
-    help: "FIXME",
-    code: (roomId, event, mjolnir, parts, lexer) => execStatusCommand(roomId, event, mjolnir, parts.slice(2))
-},
-    {
-  cmd: 'ban',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execBanCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'unban',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execUnbanCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'rules',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execRulesMatchingCommand(roomId, event, mjolnir, parts[3]),
-},
-{
-    cmd: 'rules',
-    help: "FIXME",
-    code: (roomId, event, mjolnir, parts, lexer) => execDumpRulesCommand(roomId, event, mjolnir),
-},
-    {
-  cmd: 'sync',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execSyncCommand(roomId, event, mjolnir),
-},
-    {
-  cmd: 'verify',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execPermissionCheckCommand(roomId, event, mjolnir),
-},
-    {
-  cmd: 'list',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execCreateListCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'watch',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execWatchCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'unwatch',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execUnwatchCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'redact',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execRedactCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'import',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execImportCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'default',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execSetDefaultListCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'deactivate',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execDeactivateCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'protections',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execListProtections(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'enable',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execEnableProtection(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'disable',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execDisableProtection(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'config',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execConfigSetProtection(roomId, event, mjolnir, parts.slice(3)),
-},
-    {
-  cmd: 'config',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execConfigAddProtection(roomId, event, mjolnir, parts.slice(3)),
-},
-    {
-  cmd: 'config',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execConfigRemoveProtection(roomId, event, mjolnir, parts.slice(3)),
-},
-    {
-  cmd: 'config',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execConfigGetProtection(roomId, event, mjolnir, parts.slice(3)),
-},
-    {
-  cmd: 'rooms',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execAddProtectedRoom(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'rooms',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execRemoveProtectedRoom(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'rooms',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execListProtectedRooms(roomId, event, mjolnir),
-},
-    {
-  cmd: 'move',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execMoveAliasCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'directory',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execAddRoomToDirectoryCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'directory',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execRemoveRoomFromDirectoryCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'alias',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execAddAliasCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'alias',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execRemoveAliasCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'resolve',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execResolveCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'powerlevel',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execSetPowerLevelCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'shutdown',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execShutdownRoomCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'since',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execSinceCommand(roomId, event, mjolnir, lexer),
-},
-    {
-  cmd: 'kick',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execKickCommand(roomId, event, mjolnir, parts),
-},
-    {
-  cmd: 'make',
-  help: "FIXME",
-  code: (roomId, event, mjolnir, parts, lexer) => execMakeRoomAdminCommand(roomId, event, mjolnir, parts),
-}];
-
 export async function handleCommand(roomId: string, event: { content: { body: string } }, mjolnir: Mjolnir) {
     const line = event['content']['body'];
     const parts = line.trim().split(' ').filter(p => p.trim().length > 0);
     console.debug("YORIC", "line", line);
     const lexer = new Lexer(line);
     lexer.token("command"); // Consume `!mjolnir`.
-    const cmd = lexer.token("id").text;
+    const cmd = lexer.alternatives(
+        () => lexer.token("id").text,
+        () => null
+    );
     console.debug("YORIC", "cmd", cmd);
 
     try {
-        if (cmd === '' || cmd === 'status') {
+        if (cmd === null || cmd === 'status') {
             return await execStatusCommand(roomId, event, mjolnir, parts.slice(2));
         } else if (cmd === 'ban' && parts.length > 2) {
             return await execBanCommand(roomId, event, mjolnir, parts);
diff --git a/src/commands/Lexer.ts b/src/commands/Lexer.ts
index 8057b95..126a140 100644
--- a/src/commands/Lexer.ts
+++ b/src/commands/Lexer.ts
@@ -58,28 +58,39 @@ export class Lexer extends TokenizrClass {
         });
 
         // Dates and durations.
-        this.rule("dateOrDuration", /\S+/, (ctx, match) => {
-            let date = new Date(match[0]);
-            if (!date || Number.isNaN(date.getDate())) {
-                let duration = parseDuration(match[0]);
-                if (!duration || Number.isNaN(duration)) {
-                    ctx.reject();
+        try {
+            this.rule("dateOrDuration", /(?:"([^"]+)")|(\S+)/, (ctx, match) => {
+                let content = match[1] || match[2];
+                console.debug("YORIC", "Lexer", "dateOrDuration", content);
+                let date = new Date(content);
+                console.debug("YORIC", "Lexer", "dateOrDuration", "date", date);
+                if (!date || Number.isNaN(date.getDate())) {
+                    let duration = parseDuration(content);
+                    console.debug("YORIC", "Lexer", "dateOrDuration", "duration", duration);
+                    if (!duration || Number.isNaN(duration)) {
+                        ctx.reject();
+                    } else {
+                        ctx.accept("duration", duration);
+                    }
                 } else {
-                    ctx.accept("duration", duration);
+                    ctx.accept("date", date);
                 }
-            } else {
-                ctx.accept("date", date);
-            }
-        });
+            });
+        } catch (ex) {
+            console.error("YORIC", ex);
+        }
 
         // Jokers.
         this.rule("STAR", /\*/, (ctx) => {
             ctx.accept("STAR");
         });
-        this.rule(/./, (ctx) => {
-            ctx.accept("ANYTHING ELSE")
+
+        // Everything left in the string.
+        this.rule("ETC", /.*/, (ctx) => {
+            ctx.accept("ETC")
         });
 
+        console.debug("YORIC", "Preparing lexer", string);
         this.input(string);
     }
 
diff --git a/src/commands/SinceCommand.ts b/src/commands/SinceCommand.ts
index 3870855..4143887 100644
--- a/src/commands/SinceCommand.ts
+++ b/src/commands/SinceCommand.ts
@@ -39,7 +39,13 @@ type Summary = { succeeded: userId[], failed: userId[] };
 
 // !mjolnir since <date>/<duration> <action> <number> [...rooms] [...reason]
 export async function execSinceCommand(destinationRoomId: string, event: any, mjolnir: Mjolnir, lexer: Lexer) {
-    let result = await execSinceCommandAux(destinationRoomId, event, mjolnir, lexer);
+    let result;
+    try {
+        result = await execSinceCommandAux(destinationRoomId, event, mjolnir, lexer);
+    } catch (ex) {
+        result = { error: ex.message };
+        console.error("Error executing `since` command", ex);
+    }
     if ("error" in result) {
         mjolnir.client.unstableApis.addReactionToEvent(destinationRoomId, event['event_id'], '❌');
         mjolnir.logMessage(LogLevel.WARN, "SinceCommand", result.error);
@@ -70,21 +76,16 @@ function formatResult(action: string, targetRoomId: string, recentJoins: Join[],
 // - in case of success, returns `{ok: undefined}`, in case of error, returns `{error: string}`.
 async function execSinceCommandAux(destinationRoomId: string, event: any, mjolnir: Mjolnir, lexer: Lexer): Promise<Result<undefined>> {
     // Attempt to parse `<date/duration>` as a date or duration.
-    let dateOrDurationToken: Date | number;
-    try {
-        dateOrDurationToken = lexer.token("dateOrDuration").value;
-    } catch (ex) {
-        return { error: "Invalid <date/duration>" };
-    }
-    console.debug("YORIC", "dateOrDurationToken", dateOrDurationToken);
+    let dateOrDuration: Date |number = lexer.token("dateOrDuration").value;
+    console.debug("YORIC", "dateOrDuration", dateOrDuration);
     let minDate;
     let maxAgeMS;
-    if (dateOrDurationToken instanceof Date) {
-        minDate = dateOrDurationToken;
-        maxAgeMS = Date.now() - dateOrDurationToken.getTime() as number;
+    if (dateOrDuration instanceof Date) {
+        minDate = dateOrDuration;
+        maxAgeMS = Date.now() - dateOrDuration.getTime() as number;
     } else {
-        minDate = new Date(Date.now() - dateOrDurationToken);
-        maxAgeMS = dateOrDurationToken;
+        minDate = new Date(Date.now() - dateOrDuration);
+        maxAgeMS = dateOrDuration;
     }
 
     // Attempt to parse `<action>` as Action.
@@ -109,27 +110,29 @@ async function execSinceCommandAux(destinationRoomId: string, event: any, mjolni
     // Now list affected rooms.
     const rooms: Set</* room id */string> = new Set();
     do {
-        try {
-            let token = lexer.alternatives(
-                () => lexer.token("STAR"),
-                () => lexer.token("roomAliasOrID"),
-            );
-            if (token.type == "STAR") {
-                for (let roomId of Object.keys(mjolnir.protectedRooms)) {
-                    rooms.add(roomId);
-                }
-                continue;
-            }
-            if (token.type == "roomAliasOrID") {
-                const roomId = await mjolnir.client.resolveRoom(token.text);
-                if (!(roomId in mjolnir.protectedRooms)) {
-                    return mjolnir.logMessage(LogLevel.WARN, "SinceCommand", `This room is not protected: ${htmlEscape(roomId)}.`);
-                }
+        let token = lexer.alternatives(
+            () => lexer.token("STAR"),
+            () => lexer.token("roomAliasOrID"),
+        );
+        console.debug("YORIC", "token", token);
+        if (!token) {
+            // We have reached the end of rooms.
+            break;
+        }
+        if (token.type === "STAR") {
+            for (let roomId of Object.keys(mjolnir.protectedRooms)) {
                 rooms.add(roomId);
-                continue;
             }
-        } catch (ex) {
-            // If we're done with rooms, we have entered <reason>.
+            continue;
+        } else if (token.type === "roomAliasOrID") {
+            const roomId = await mjolnir.client.resolveRoom(token.text);
+            if (!(roomId in mjolnir.protectedRooms)) {
+                return mjolnir.logMessage(LogLevel.WARN, "SinceCommand", `This room is not protected: ${htmlEscape(roomId)}.`);
+            }
+            rooms.add(roomId);
+            continue;
+        }
+        if (token.type == 'EOF') {
             break;
         }
     } while(true);
@@ -143,8 +146,8 @@ async function execSinceCommandAux(destinationRoomId: string, event: any, mjolni
     // Parse everything else as `<reason>`, stripping quotes if any have been added.
     const reason = lexer.alternatives(
         () => lexer.token("string"),
-        () => lexer.token("EVERYTHING ELSE")
-    ).text;
+        () => lexer.token("ETC")
+    )?.text || "";
     console.debug("YORIC", "reason", reason);
 
     const progressEventId = await mjolnir.client.unstableApis.addReactionToEvent(destinationRoomId, event['event_id'], '⏳');