Minor improvements.

packages/Fonts.sty

@@ -60,6 +60,11 @@
 	BoldSlantFont	= RobotoSlab-Black,
 	RawFeature		= {fallback=RobotoSerif},
 ]
+% \setmainfont{Roboto~Serif}[
+% 	Weight	= 300,
+% 	Width	= 85,
+%  	RawFeature		= {fallback=RobotoSerif},
+% ]
 
 % % Sans serif font: Roboto (Medium).
 \setsansfont{Roboto}[
@@ -157,4 +162,31 @@
 \NewDocumentCommand{\TabKey}{}{\keys{\TabString}}
 
 % Suppress warning about obsolete font encodings because we're using Unicode.
-\@tw@hyphenatepaths@warnigfalse % [sic]
+\@tw@hyphenatepaths@warnigfalse % [sic]
+
+%------------------------- Custom Directory Formatting -------------------------
+
+% The MenuKeys approach is too complicated for directory formatting. This is a
+% simpler method.
+
+\tl_new:N \l_@@_dir_tl
+
+\keys_define:nn {Dir} {
+	font		.tl_set:N	= \l_Dir_font_tl,
+	font		.initial:n	= {\sffamily},
+
+	separator	.tl_set:N	= \l_Dir_separator_tl,
+	separator	.initial:n	= {\thinspace⏵\hspace{0.17em}},
+}
+
+\NewDocumentCommand{\Dir}{O{} m}{
+	\group_begin:
+		\keys_set:nn {Dir} {#1}
+
+		\str_set:Nn \l_@@_dir_tl {#2}
+		\tl_replace_all:Nnn \l_@@_dir_tl {/} {\l_Dir_separator_tl}
+
+		\tl_use:N \l_Dir_font_tl
+		\tl_use:N \l_@@_dir_tl
+	\group_end:
+}