--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ast_cmd_biu.c	Sun Dec 30 13:42:37 2018 -0500
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2013-2017 Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "ast.h"
+
+/*
+ * Handle bold, italics, and underline.
+ */
+
+static struct str *ast_cmds_biu(list_t *mand, list_t *opt, const char *open,
+				const char *close)
+{
+	ASSERT(list_is_empty(opt));
+	//XXX: ASSERT(mand has 1 element);
+
+
+}
+
+struct str *ast_cmds_textbf(struct astnode *in, list_t *mand, list_t *opt)
+{
+	return cmd_biu(mand, opt, "<b>", "</b>");
+}
+
+struct str *ast_cmds_textit(struct astnode *in, list_t *mand, list_t *opt)
+{
+	return cmd_biu(mand, opt, "<i>", "</i>");
+}
+
+struct str *ast_cmds_emph(struct astnode *in, list_t *mand, list_t *opt)
+{
+	return cmd_biu(mand, opt, "<em>", "</em>");
+}