decided to follow a different templating approach that more closely follows a PSR

Author: Billy Clark

dictionaries/selectidp.definition.json

@@ -13,10 +13,10 @@
 		"ko": "계정 선택"
 	},
 	"button_login": {
-		"en": "Login with $idpName",
-		"es": "Inicia con $idpName",
-		"fr": "Connectez-vous avec $idpName",
-		"ko": "로 로그인 $idpName"
+		"en": "Login with {idpName}",
+		"es": "Inicia con {idpName}",
+		"fr": "Connectez-vous avec {idpName}",
+		"ko": "로 로그인 {idpName}"
 	},
 	"button_login_disabled": {
 		"en": "Coming soon...",

themes/material/default/selectidp-links.php

@@ -67,7 +67,7 @@ function setSelectedIdp(id) {
                                    these bugs are resolved. -->
                         <div layout-children="row" child-spacing="space-between">
                             <span>
-                                <?= $this->t('{material:selectidp:button_login}', ['$idpName' => $name]) ?>
+                                <?= $this->t('{material:selectidp:button_login}', ['{idpName}' => $name]) ?>
                             </span>
 
                             <i class="material-icons">exit_to_app</i>