Minor tweaks.

packages/Floats.sty

@@ -44,7 +44,13 @@
 \fp_const:Nn \c_BigFloat_offset_fp {2.0}
 
 \ProvideLength{\BigFloatOverhang}[\dim_use:N \c_BigFloat_overhang_dim]
-\NewDocumentCommand{\BigFloatOffset}{}{\fp_use:N \c_BigFloat_offset_fp}
+\NewDocumentCommand{\BigFloatOffset}{O{}}{
+	\str_if_empty:NTF #1 {
+		\fp_use:N \c_BigFloat_offset_fp
+	} {
+		\fp_set:Ne \c_BigFloat_offset_fp {#1}
+	}
+}
 
 \dim_new:N \l_BigFloat_workoverhang_dim
 
@@ -53,6 +59,8 @@
 }
 
 \keys_define:nn{BigFloat}{
+	figure		.code:n		= {\str_set:Nn \l_BigFloat_type_str {figure}},
+
 	maxoverhang	.dim_set:N	= \l_BigFloat_maxoverhang_dim,
 	maxoverhang	.initial:n	= {1in},
 
@@ -64,6 +72,8 @@
 	overhang	.default:e	= {\c_BigFloat_overhang_dim},
 	overhang	.initial:e	= {\c_BigFloat_overhang_dim},
 
+	table		.code:n		= {\str_set:Nn \l_BigFloat_type_str {table}},
+
 	type		.choices:nn	= {figure,generic,table}{
 		\str_set:Ne \l_BigFloat_type_str {\l_keys_choice_tl}
 	},