12 files changed, 132 insertions, 9 deletions

diff --git a/help/after_bind.md b/help/after_bind.md
index 5163d4f9..a0c15279 100644
--- a/help/after_bind.md
+++ b/help/after_bind.md
@@ -6,7 +6,7 @@
     
 Supply `𝕘` as a right argument to `𝔽` (`𝕩 𝔽 𝕘`).
     
-## `𝕘` must be a value, `F` must be dyadic.
+`𝕘` must be a value, `F` must be dyadic.
     
            -⟜3 9
 
diff --git a/help/before_bind.md b/help/before_bind.md
index 290e8fe9..c2d0acd5 100644
--- a/help/before_bind.md
+++ b/help/before_bind.md
@@ -6,7 +6,7 @@
     
 Supply `𝕗` as a left argument to `𝔾` (`𝕗 𝔾 𝕩`).
     
-## `𝕗` must be a value, `𝔾` must be dyadic.
+`𝕗` must be a value, `𝔾` must be dyadic.
     
            3⊸- 9
 
diff --git a/help/fold.md b/help/fold.md
index 3684d96c..33b2e0f5 100644
--- a/help/fold.md
+++ b/help/fold.md
@@ -5,7 +5,9 @@
 ## `𝔽´ 𝕩`: Fold
     
 Fold over `𝕩` with `𝔽` from right to left i.e. Insert `𝔽` between the elements of `𝕩`.
-    
+
+`𝕩` must be a simple list (`1 = =𝕩`).
+
            +´ 1‿2‿3
 
            1+2+3
diff --git a/help/genhelp.bqn b/help/genhelp.bqn
new file mode 100755
index 00000000..cf50c939
--- /dev/null
+++ b/help/genhelp.bqn
@@ -0,0 +1,19 @@
+#!/usr/bin/env cbqn
+
+thing ← {
+    data ← •FLines 𝕩
+    names ← (⊣∾", "∾⊢)´{(¬·∧`' '⊸=)⊸/⌾⌽(2+⊑/':'=𝕩)↓𝕩}¨("## "≡3⊸↑)¨⊸/data
+    t‿d ←  ∾/¨(⊏data)=¨"()"
+    sym ← "`"∾˜"`"∾{'`':"` ` `"; '|':"\"∾𝕩 ; 𝕩}¯3⊑2⊑data
+    •Show  "| " ∾ sym ∾ " | [" ∾ names ∾ "]("∾((t+1)↓d↑⊑data)∾ ") |"
+}¨•args
+
+head ← ⟨
+"*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/index.html).*"
+⟨⟩
+"# REPL Help"
+⟨⟩
+"| Symbol | Link |"
+"|--------|------|"
+⟩
+"index.md.tmp" •FLines head ∾ thing #rename once you have a proper file.
\ No newline at end of file
diff --git a/help/groupindices_group.md b/help/groupindices_group.md
index ee0e9762..5afa162b 100644
--- a/help/groupindices_group.md
+++ b/help/groupindices_group.md
@@ -6,7 +6,7 @@
     
 Group the indices of the major cells of `𝕩` by their respective values.
     
-## `𝕩` must consist of integers. Groups start from 0. 
+`𝕩` must consist of integers. Groups start from 0. 
     
            ⊔ 4‿5‿6‿6‿4‿7‿5
 
diff --git a/help/identity_left.md b/help/identity_left.md
index dabe6cc7..3a61225b 100644
--- a/help/identity_left.md
+++ b/help/identity_left.md
@@ -2,7 +2,7 @@
 
 # Left Tack (`⊣`)
     
-## `⊣ 𝕩`: 
+## `⊣ 𝕩`: Identity
     
 Return `𝕩`.
     
diff --git a/help/identity_right.md b/help/identity_right.md
index a0844a8f..da81bf11 100644
--- a/help/identity_right.md
+++ b/help/identity_right.md
@@ -2,7 +2,7 @@
 
 # Right Tack (`⊢`)
     
-## `⊢ 𝕩`: 
+## `⊢ 𝕩`: Identity
     
 Return `𝕩`.
     
diff --git a/help/index.md b/help/index.md
new file mode 100644
index 00000000..8a0f2c1b
--- /dev/null
+++ b/help/index.md
@@ -0,0 +1,70 @@
+*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/index.html).*
+
+# REPL Help
+
+| Symbol | Link |
+|--------|------|
+| `\|` | [Absolute Value, Modulus](https://mlochbaum.github.io/BQN/help/absolutevalue_modulus.html) |
+| `⟜` | [Bind, After, Dyadic After](https://mlochbaum.github.io/BQN/help/after_bind.html) |
+| `!` | [Assert, Dyad](https://mlochbaum.github.io/BQN/help/assert_assertwithmessage.html) |
+| `∘` | [Atop, Dyadic Atop](https://mlochbaum.github.io/BQN/help/atop.html) |
+| `⊸` | [Bind Left, Before, Dyadic Before](https://mlochbaum.github.io/BQN/help/before_bind.html) |
+| `⎊` | [Catch](https://mlochbaum.github.io/BQN/help/catch.html) |
+| `⌈` | [Ceiling, Maximum](https://mlochbaum.github.io/BQN/help/ceiling_maximum.html) |
+| `˘` | [Cells](https://mlochbaum.github.io/BQN/help/cells.html) |
+| `◶` | [Choose](https://mlochbaum.github.io/BQN/help/choose.html) |
+| `⊐` | [Classify, Index Of](https://mlochbaum.github.io/BQN/help/classify_indexof.html) |
+| `+` | [Conjugate, Add](https://mlochbaum.github.io/BQN/help/conjugate_add.html) |
+| `˙` | [Constant](https://mlochbaum.github.io/BQN/help/constant.html) |
+| `⍷` | [Deduplicate, Find](https://mlochbaum.github.io/BQN/help/deduplicate_find.html) |
+| `≡` | [Depth, Match](https://mlochbaum.github.io/BQN/help/depth_match.html) |
+| `⚇` | [Depth](https://mlochbaum.github.io/BQN/help/depth.html) |
+| `⥊` | [Deshape, Reshape](https://mlochbaum.github.io/BQN/help/deshape_reshape.html) |
+| `¨` | [Each](https://mlochbaum.github.io/BQN/help/each.html) |
+| `<` | [Enclose, Lesser Than](https://mlochbaum.github.io/BQN/help/enclose_lessthan.html) |
+| `⋈` | [Enlist, Pair](https://mlochbaum.github.io/BQN/help/enlist_pair.html) |
+| `⋆` | [Exponential, Power](https://mlochbaum.github.io/BQN/help/exponential_power.html) |
+| `⊏` | [First Cell, Select](https://mlochbaum.github.io/BQN/help/firstcell_select.html) |
+| `⊑` | [First, Pick](https://mlochbaum.github.io/BQN/help/first_pick.html) |
+| `⌊` | [Floor, Minimum](https://mlochbaum.github.io/BQN/help/floor_minimum.html) |
+| `´` | [Fold, Fold With initial](https://mlochbaum.github.io/BQN/help/fold.html) |
+| `⍒` | [Grade Down, Bins Down](https://mlochbaum.github.io/BQN/help/gradedown_binsdown.html) |
+| `⍋` | [Grade Up, Bins Up](https://mlochbaum.github.io/BQN/help/gradeup_binsup.html) |
+| `≥` | [Greater Than or Equal To](https://mlochbaum.github.io/BQN/help/greaterthanorequalto.html) |
+| `⊔` | [Group Indices, Group](https://mlochbaum.github.io/BQN/help/groupindices_group.html) |
+| `⊣` | [Identity, Left](https://mlochbaum.github.io/BQN/help/identity_left.html) |
+| `⊢` | [Identity, Right](https://mlochbaum.github.io/BQN/help/identity_right.html) |
+| `/` | [Indices, Replicate](https://mlochbaum.github.io/BQN/help/indices_replicate.html) |
+| `˝` | [Insert, Insert With initial](https://mlochbaum.github.io/BQN/help/insert.html) |
+| `∾` | [Join, Join](https://mlochbaum.github.io/BQN/help/join_jointo.html) |
+| `≠` | [Length, Not Equal To](https://mlochbaum.github.io/BQN/help/length_notequals.html) |
+| `≤` | [Lesser Than or Equal To](https://mlochbaum.github.io/BQN/help/lessthanorequalto.html) |
+| `∊` | [Unique Mask, Member Of](https://mlochbaum.github.io/BQN/help/markfirst_memberof.html) |
+| `>` | [Merge, Greater Than](https://mlochbaum.github.io/BQN/help/merge_greaterthan.html) |
+| `-` | [Negate, Subtract](https://mlochbaum.github.io/BQN/help/negate_subtract.html) |
+| `¬` | [Logical Not, Span](https://mlochbaum.github.io/BQN/help/not_span.html) |
+| `⊒` | [Occurrence Count, Progressive Index Of](https://mlochbaum.github.io/BQN/help/occurrencecount_progressiveindexof.html) |
+| `○` | [Atop, Over](https://mlochbaum.github.io/BQN/help/over.html) |
+| `↑` | [Prefixes, Take](https://mlochbaum.github.io/BQN/help/prefixes_take.html) |
+| `↕` | [Range, Windows](https://mlochbaum.github.io/BQN/help/range_windows.html) |
+| `=` | [Rank, Equal To](https://mlochbaum.github.io/BQN/help/rank_equals.html) |
+| `⎉` | [Rank](https://mlochbaum.github.io/BQN/help/rank.html) |
+| `÷` | [Reciprocal, Divide](https://mlochbaum.github.io/BQN/help/reciprocal_divide.html) |
+| `⍟` | [Repeat](https://mlochbaum.github.io/BQN/help/repeat.html) |
+| `⌽` | [Reverse, Dyad](https://mlochbaum.github.io/BQN/help/reverse_rotate.html) |
+| `` ` `` | [Scan, Scan With initial](https://mlochbaum.github.io/BQN/help/scan.html) |
+| `˜` | [Self, Swap](https://mlochbaum.github.io/BQN/help/self_swap.html) |
+| `≢` | [Shape, Not Match](https://mlochbaum.github.io/BQN/help/shape_notmatch.html) |
+| `»` | [Shift After, Shift After](https://mlochbaum.github.io/BQN/help/shiftafter.html) |
+| `«` | [Shift Before, Shift Before](https://mlochbaum.github.io/BQN/help/shiftbefore.html) |
+| `×` | [Sign, Multiply](https://mlochbaum.github.io/BQN/help/sign_multiply.html) |
+| `≍` | [Solo, Couple](https://mlochbaum.github.io/BQN/help/solo_couple.html) |
+| `∨` | [Sort Down, Logical Or](https://mlochbaum.github.io/BQN/help/sortdown_or.html) |
+| `∧` | [Sort Up, Logical And](https://mlochbaum.github.io/BQN/help/sortup_and.html) |
+| `√` | [Square root, Root](https://mlochbaum.github.io/BQN/help/squareroot_root.html) |
+| `↓` | [Suffixes, Drop](https://mlochbaum.github.io/BQN/help/suffixes_drop.html) |
+| `⌜` | [Each](https://mlochbaum.github.io/BQN/help/table.html) |
+| `⍉` | [Transpose, Reorder Axes](https://mlochbaum.github.io/BQN/help/transpose_reorderaxes.html) |
+| `⌾` | [Under](https://mlochbaum.github.io/BQN/help/under.html) |
+| `⁼` | [Undo](https://mlochbaum.github.io/BQN/help/undo.html) |
+| `⊘` | [Valences, Dyadic Valences](https://mlochbaum.github.io/BQN/help/valences.html) |
diff --git a/help/insert.md b/help/insert.md
new file mode 100644
index 00000000..79642d39
--- /dev/null
+++ b/help/insert.md
@@ -0,0 +1,32 @@
+*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/insert.html).*
+
+# Acute Accent (`˝`)
+    
+## `𝔽˝ 𝕩`: Insert
+    
+Fold over `𝕩` with `𝔽` from right to left i.e. Insert `𝔽` between the major cells of `𝕩`.
+    
+           a ← 3‿3 ⥊ ↕9
+
+           +˝ a
+
+           0‿1‿2 + 3‿4‿5 + 6‿7‿8
+
+    
+## `𝕨 𝔽˝ 𝕩`: Insert With initial
+    
+Monadic insert, but use `𝕨` as initial right argument.
+
+If 
+    
+           a ← 3‿3 ⥊ ↕9
+
+           1‿1‿1 +˝ a
+
+           1 +˝ a
+
+           0‿1‿2 + 3‿4‿5 + 6‿7‿8 + 1‿1‿1
+
+           
+
+    
diff --git a/help/scan.md b/help/scan.md
index c2e92f67..1847de86 100644
--- a/help/scan.md
+++ b/help/scan.md
@@ -2,7 +2,7 @@
 
 # Grave (`` ` ``)
     
-## ``𝔽` 𝕩``: Fold
+## ``𝔽` 𝕩``: Scan
     
 Scan over `𝕩` with `𝔽` from left to right, producing intermediate values.
     
diff --git a/help/transpose_reorderaxes.md b/help/transpose_reorderaxes.md
index 244fc444..72060ce2 100644
--- a/help/transpose_reorderaxes.md
+++ b/help/transpose_reorderaxes.md
@@ -16,7 +16,7 @@ Move the first axis of `𝕩` to the end.
 
     
     
-## `𝕨 ⍉ 𝕩`: Dyad
+## `𝕨 ⍉ 𝕩`: Reorder Axes
     
 Rearrange the axes of `𝕩` as per the axis indices in `𝕨`.
     
diff --git a/help/valences.md b/help/valences.md
index d7ef83b8..e9ac866e 100644
--- a/help/valences.md
+++ b/help/valences.md
@@ -12,7 +12,7 @@ Apply `𝔽` to `𝕩`.
 
     
     
-## `𝕨 𝔽⊘𝔾 𝕩`: Valences
+## `𝕨 𝔽⊘𝔾 𝕩`: Dyadic Valences
     
 Apply `𝔾` to `𝕨` and `𝕩`.