diff --git a/src/App/dtml/manage_tabs.dtml b/src/App/dtml/manage_tabs.dtml
index 2ba5e3a7bd..4ff4d6a807 100644
--- a/src/App/dtml/manage_tabs.dtml
+++ b/src/App/dtml/manage_tabs.dtml
@@ -40,52 +40,52 @@
 	</dtml-unless>
 </dtml-comment>
 
-		<nav aria-label="breadcrumb">
-		<dtml-let breadcrumb_length="tabs_path_length(REQUEST)">
-			<ol class="breadcrumb <dtml-var "'zmi-' + title_or_id().replace(' ','')">"
-				data-length="<dtml-var breadcrumb_length>">
-				<li class="breadcrumb-item meta_type">
-					<dtml-if meta_type>
-						<i class="&dtml-zmi_icon;" title="&dtml-meta_type;"></i>
-						<dtml-var "breadcrumb_length==1 and 'Root Folder' or meta_type">
-					<dtml-else>
-						Object
+	<nav aria-label="breadcrumb">
+	<dtml-let breadcrumb_length="tabs_path_length(REQUEST)">
+		<ol class="breadcrumb <dtml-var "'zmi-' + title_or_id().replace(' ','')">"
+			data-length="<dtml-var breadcrumb_length>">
+			<li class="breadcrumb-item meta_type">
+				<dtml-if meta_type>
+					<i class="&dtml-zmi_icon;" title="&dtml-meta_type;"></i>
+					<dtml-var "breadcrumb_length==1 and 'Root Folder' or meta_type">
+				<dtml-else>
+					Object
+				</dtml-if>
+			</li>
+			<dtml-in expr="tabs_path_default(REQUEST)" mapping>
+				<li class="breadcrumb-item<dtml-if last> active</dtml-if>"
+					<dtml-if last>
+						aria-current="page"
+						title="<dtml-if meta_type>&dtml-meta_type;<dtml-else>Object</dtml-if>"
 					</dtml-if>
-				</li>
-				<dtml-in expr="tabs_path_default(REQUEST)" mapping>
-					<li class="breadcrumb-item<dtml-if last> active</dtml-if>"
-						<dtml-if last>
-							aria-current="page"
-							title="<dtml-if meta_type>&dtml-meta_type;<dtml-else>Object</dtml-if>"
-						</dtml-if>
-						><a href="&dtml-url;">
-							<dtml-if "_['sequence-index']==0">
-								<strong title="Root Folder">&nbsp;/&nbsp;</strong>
-							<dtml-else>
-								&dtml-title;
-							</dtml-if>
-						</a>
-						<dtml-if "_['sequence-index']!=0 and last==False">
-							&nbsp;/&nbsp;
+					><a href="&dtml-url;">
+						<dtml-if "_['sequence-index']==0">
+							<strong title="Root Folder">&nbsp;/&nbsp;</strong>
+						<dtml-else>
+							<dtml-var title html_quote>
 						</dtml-if>
-						<dtml-if last>
-						    <dtml-if wl_isLocked
-						    	><span class="badge badge-warning"
-						    		title="This item has been locked by WebDAV"><i class="fa fa-lock"></i></span>
-						    </dtml-if>
+					</a>
+					<dtml-if "_['sequence-index']!=0 and last==False">
+						&nbsp;/&nbsp;
+					</dtml-if>
+					<dtml-if last>
+						<dtml-if wl_isLocked
+							><span class="badge badge-warning"
+								title="This item has been locked by WebDAV"><i class="fa fa-lock"></i></span>
 						</dtml-if>
-					</li>
-				</dtml-in>
-			</ol>
-			</dtml-let>
-		</nav>
+					</dtml-if>
+				</li>
+			</dtml-in>
+		</ol>
+		</dtml-let>
+	</nav>
 
 
 	<dtml-if manage_tabs_message>
-			<div class="alert alert-<dtml-var manage_tabs_type missing=success html_quote>" role="alert">
-				<dtml-var manage_tabs_message newline_to_br html_quote
-				> (<dtml-var ZopeTime fmt="%Y-%m-%d %H:%M">)
-			</div>
+		<div class="alert alert-<dtml-var manage_tabs_type missing=success html_quote>" role="alert">
+			<dtml-var manage_tabs_message newline_to_br html_quote
+			> (<dtml-var ZopeTime fmt="%Y-%m-%d %H:%M">)
+		</div>
 	</dtml-if>
 
 </dtml-with>
diff --git a/src/OFS/dtml/cmassoc.dtml b/src/OFS/dtml/cmassoc.dtml
index 8a3dac8a6f..c4c6f84f72 100644
--- a/src/OFS/dtml/cmassoc.dtml
+++ b/src/OFS/dtml/cmassoc.dtml
@@ -17,7 +17,7 @@
 				<table class="table table-sm table-striped">
 					<dtml-in results mapping sort=sortkey>
 						<tr>
-							<td class="text-right>
+							<td class="text-right">
 								<input type="checkbox" name="associate_&dtml-path;:int" value="1"<dtml-if associated> checked="checked"</dtml-if> />
 								<input type="hidden" name="associate_&dtml-path;:int:default" value="0" />
 							</td>
@@ -58,7 +58,7 @@
 		<div class="form-group row">
 			<label for="meta_types" class="form-label col-sm-3 col-md-2">Of the type(s)</label>
 			<div class=" col-sm-9 col-md-10">
-				<select class="form-control" multiple="multiple" id=meta_types" name="meta_types:list" size="5">
+				<select class="form-control" multiple="multiple" id="meta_types" name="meta_types:list" size="5">
 					<option value="" selected>All</option>
 					<dtml-in all_meta_types mapping sort=name>
 						<option value="&dtml-name;">&dtml-name;</option>
diff --git a/src/OFS/dtml/fileEdit.dtml b/src/OFS/dtml/fileEdit.dtml
index f859a2f724..034da539b6 100644
--- a/src/OFS/dtml/fileEdit.dtml
+++ b/src/OFS/dtml/fileEdit.dtml
@@ -15,7 +15,7 @@
 		enctype="multipart/form-data" class="zmi-file zmi-edit">
 
 		<div class="form-group row">
-			<label for="title" class="form-label	col-sm-3 col-md-2">Title</label>
+			<label for="title" class="form-label col-sm-3 col-md-2">Title</label>
 			<div class="col-sm-9 col-md-10">
 				<input id="title" class="form-control" type="text" name="title"
 					value="<dtml-if title>&dtml-title;</dtml-if>" />
diff --git a/src/OFS/dtml/findForm.dtml b/src/OFS/dtml/findForm.dtml
index 604f1b1405..23c0bcd385 100644
--- a/src/OFS/dtml/findForm.dtml
+++ b/src/OFS/dtml/findForm.dtml
@@ -11,7 +11,7 @@
 	></dtml-else
 ></dtml-in>
 <dtml-call "REQUEST.set('obj_metatypes',
-                        [x for x in (REQUEST.get('obj_metatypes', []) or [])])">
+	[x for x in (REQUEST.get('obj_metatypes', []) or [])])">
 
 <dtml-if btn_submit>
 <dtml-with "_.namespace(
@@ -79,12 +79,12 @@
 
 <ul class="zmi-find-results list-group mb-5">
 <dtml-in results size="batch_size" start="query_start" sort_expr="skey"
-         reverse_expr="rkey">
+	reverse_expr="rkey">
 	<li class="list-group-item">
 		<a href="&dtml.url_quote-sequence-key;/manage_workspace">
-            <i title="&dtml-meta_type;"
-               class="&dtml-zmi_icon;">&nbsp;</i>
-            &dtml-sequence-key; <dtml-if title>(&dtml-title;)</dtml-if>
+			<i title="&dtml-meta_type;"
+				class="&dtml-zmi_icon;">&nbsp;</i>
+			&dtml-sequence-key; <dtml-if title>(&dtml-title;)</dtml-if>
 		</a>
 	</li>
 </dtml-in>
@@ -101,128 +101,128 @@
 		<label for="type" class="form-label">Find objects of type:</label>
 	</td>
 	<td style="width:*">
-	<div class="form-element">
-		<select id="type" class="form-control" name="obj_metatypes:list" size="8" multiple="multiple">
-		<option value="all" 
-			<dtml-if "not obj_metatypes">
-				selected="selected"
-			<dtml-else>
-				<dtml-var "('all' in obj_metatypes) and 'selected=\042selected\042' or ''">
-			</dtml-if>
-		>All types</option>
-		<dtml-let sorted_meta_types="[]"
-			><dtml-in all_meta_types mapping
-				><dtml-call "sorted_meta_types.append(name)"
-			></dtml-in><dtml-call "sorted_meta_types.sort()"
-			><dtml-in sorted_meta_types
-				><option value="&dtml-sequence-item;"
+		<div class="form-element">
+			<select id="type" class="form-control" name="obj_metatypes:list" size="8" multiple="multiple">
+			<option value="all" 
 				<dtml-if "not obj_metatypes">
+					selected="selected"
 				<dtml-else>
-					<dtml-var "(_['sequence-item'] in obj_metatypes) and 'selected=\042selected\042' or ''">
+					<dtml-var "('all' in obj_metatypes) and 'selected=\042selected\042' or ''">
 				</dtml-if>
-				>&dtml-sequence-item;</option>
-			</dtml-in
-		></dtml-let>
-		</select>
-	</div>
+			>All types</option>
+			<dtml-let sorted_meta_types="[]"
+				><dtml-in all_meta_types mapping
+					><dtml-call "sorted_meta_types.append(name)"
+				></dtml-in><dtml-call "sorted_meta_types.sort()"
+				><dtml-in sorted_meta_types
+					><option value="&dtml-sequence-item;"
+					<dtml-if "not obj_metatypes">
+					<dtml-else>
+						<dtml-var "(_['sequence-item'] in obj_metatypes) and 'selected=\042selected\042' or ''">
+					</dtml-if>
+					>&dtml-sequence-item;</option>
+				</dtml-in
+			></dtml-let>
+			</select>
+		</div>
 	</td>
 </tr>
 
 <tr class="simple-search">
 	<td>
-	<label for="ids" class="form-label">With ids:</label>
+		<label for="ids" class="form-label">With ids:</label>
 	</td>
 	<td>
-	<input id="ids" class="form-control" type="text" name="obj_ids:tokens" value="<dtml-var "' '.join(obj_ids or [])" html_quote>" />
+		<input id="ids" class="form-control" type="text" name="obj_ids:tokens" value="<dtml-var "' '.join(obj_ids or [])" html_quote>" />
 	</td>
 </tr>
 
 <tr class="simple-search">
 	<td>
-	<label for="contain" class="form-label">Containing:</label>
+		<label for="contain" class="form-label">Containing:</label>
 	</td>
 	<td>
-	<input id="contain" class="form-control" type="text" name="obj_searchterm" 
-		value="<dtml-var "obj_searchterm and obj_searchterm or ''" html_quote>" />
+		<input id="contain" class="form-control" type="text" name="obj_searchterm" 
+			value="<dtml-var "obj_searchterm and obj_searchterm or ''" html_quote>" />
 	</td>
 </tr>
 
 <tr class="advanced-search-only" <dtml-if "searchtype!='advanced'">style="display:none;"</dtml-if>>
 	<td>
-	<label for="expr" class="form-label">Expr:</label>
+		<label for="expr" class="form-label">Expr:</label>
 	</td>
 	<td>
-	<textarea id="expr" class="form-control" name="obj_expr" rows="4" cols="30"
-		><dtml-var "obj_expr and obj_expr or ''"></textarea>
+		<textarea id="expr" class="form-control" name="obj_expr" rows="4" cols="30"
+			><dtml-var "obj_expr and obj_expr or ''"></textarea>
 	</td>
 </tr>
 
 <tr class="advanced-search-only" <dtml-if "searchtype!='advanced'">style="display:none;"</dtml-if>>
 	<td>
-	<label for="roles" class="form-label">Where the roles:</label>
+		<label for="roles" class="form-label">Where the roles:</label>
 	</td>
 	<td>
-	<div class="form-element">
-		<select id="roles" class="form-control" name="obj_roles:list" size="3" multiple="multiple">
-		<dtml-in valid_roles>
-			<dtml-if obj_roles>
-				<option value="&dtml-sequence-item;"<dtml-if "_['sequence-item'] in obj_roles"> selected="selected"</dtml-if>>&dtml-sequence-item;</option>
-			<dtml-else>
-			 <option value="&dtml-sequence-item;">&dtml-sequence-item;</option>
-			</dtml-if>
-		</dtml-in>
-		</select>
-	</div>
+		<div class="form-element">
+			<select id="roles" class="form-control" name="obj_roles:list" size="3" multiple="multiple">
+			<dtml-in valid_roles>
+				<dtml-if obj_roles>
+					<option value="&dtml-sequence-item;"<dtml-if "_['sequence-item'] in obj_roles"> selected="selected"</dtml-if>>&dtml-sequence-item;</option>
+				<dtml-else>
+				<option value="&dtml-sequence-item;">&dtml-sequence-item;</option>
+				</dtml-if>
+			</dtml-in>
+			</select>
+		</div>
 	</td>
 </tr>
 
 <tr class="advanced-search-only" <dtml-if "searchtype!='advanced'">style="display:none;"</dtml-if>>
 	<td>
-	<label for="perm" class="form-label">Have permission:</label>
+		<label for="perm" class="form-label">Have permission:</label>
 	</td>
 	<td>
-	<div class="form-element">
-		<select id="perm" class="form-control" name="obj_permission">
-		<dtml-in permission_settings mapping>
-			<option value="&dtml-name;"> &dtml-name;</option>
-		</dtml-in>
-		</select>
-	</div>
+		<div class="form-element">
+			<select id="perm" class="form-control" name="obj_permission">
+			<dtml-in permission_settings mapping>
+				<option value="&dtml-name;"> &dtml-name;</option>
+			</dtml-in>
+			</select>
+		</div>
 	</td>
 </tr>
 
 <tr class="advanced-search-only" <dtml-if "searchtype!='advanced'">style="display:none;"</dtml-if>>
 	<td>
-	<label for="skey" class="form-label">Sort results by:</label>
+		<label for="skey" class="form-label">Sort results by:</label>
 	</td>
 	<td>
-	<div class="form-group">
-		<select name="skey" id="skey" class="form-control">
-			<option value="meta_type">Type</option>
-			<option value="id">Id</option>
-		</select>
-		<div class="form-check px-4 mt-2">
-			<input id="rkey" class="form-check-input" type="checkbox" name="rkey" value="reverse" />
-			<label for="rkey" class="form-check-label">Reverse?</label>
+		<div class="form-group">
+			<select name="skey" id="skey" class="form-control">
+				<option value="meta_type">Type</option>
+				<option value="id">Id</option>
+			</select>
+			<div class="form-check px-4 mt-2">
+				<input id="rkey" class="form-check-input" type="checkbox" name="rkey" value="reverse" />
+				<label for="rkey" class="form-check-label">Reverse?</label>
+			</div>
 		</div>
-	</div>
 	</td>
 </tr>
 
 <tr class="simple-search">
 	<td>
-	<label for="mod" class="form-label">Modified:</label>
+		<label for="mod" class="form-label">Modified:</label>
 	</td>
 	<td>
-	<div class="form-inline">
-		<div class="input-group px-0 col-12">
-			<select id="mod" name="obj_mspec" class="input-group-prepend form-control col-4 col-md-3">
-				<option value="&lt;"> before</option>
-				<option value="&gt;"> after</option>
-			</select>
-			<input class="form-control col-8 col-md-9 px-0" type="text" name="obj_mtime" />
+		<div class="form-inline">
+			<div class="input-group px-0 col-12">
+				<select id="mod" name="obj_mspec" class="input-group-prepend form-control col-4 col-md-3">
+					<option value="&lt;"> before</option>
+					<option value="&gt;"> after</option>
+				</select>
+				<input class="form-control col-8 col-md-9 px-0" type="text" name="obj_mtime" />
+			</div>
 		</div>
-	</div>
 	</td>
 </tr>