document un format string

Author: kaikalii

site/src/primitive.rs

@@ -294,6 +294,7 @@ fn all_uns() -> impl IntoView {
             { inverse_row([Orient], No, "", "°⤸ [1_2_3 4_5_6]") }
             { inverse_row([Scan], No, view!("Only works with "<Prims prims=[Add, Mul, Eq, Ne]/>), "°\\+ [1 3 6 10 15]") }
             { inverse_row([Reduce, Mul], No, "Prime factors", "°/× 60") }
+            { inverse_row_impl(view!(<code class="string-literal-span">"$\"_…_\""</code>), No, "Pattern match and extract", "{°$\"_ - _(_)_\"} \"a - bc(de) - f\"") }
             { inverse_row_impl(view!(<Prims prims=[Reduce]/><code class="string-literal-span">"$\"_…_\""</code>), No, "Must have 2 args and only text between", "°/$\"_ - _\" \"a - bc - d\"") }
             { inverse_row([Repeat], Required, "Inner function must be invertible", "°(⍥(×2)5) 1024") }
             { inverse_row([Trace], No, "", "°⸮ 5") }

todo.md

@@ -1,11 +1,9 @@
 # Uiua Todo
 
 # 0.15
-- Subscripted `bits`
 - Non-dyadic `backward`
 - 0-output `tuples`
 - Implement some `under` inverses in terms of `un by`, rather than the other way around
-- Nested module context macros
 - Multidimensional `group`
 - `un`/`anti` `stencil`
 - `anti keep`