From af6f449b1987594233660e9eac339cd0f249a8ca Mon Sep 17 00:00:00 2001
From: Heath123 <heath.mitchell27@gmail.com>
Date: Sun, 29 Jan 2023 14:21:16 +0000
Subject: [PATCH] Better comments, again

---
 src/node.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/node.c b/src/node.c
index f1d3903..42207d4 100644
--- a/src/node.c
+++ b/src/node.c
@@ -86,24 +86,28 @@ enum cursorMoveResult TeX_node_cursor_enter(struct TeX_Node *node, struct editCo
 {
 	enum cursorMoveResult skipPast = action == CURSOR_MOVE_RIGHT ? CURSOR_PAST_END : CURSOR_PAST_START;
 
+	// Text
 	if (node->type == 0)
 	{
 		int len = strlen(node->text);
 		if (len == 1) return skipPast;
-		// Text
 		context->elementIsText = true;
 		context->cursorText = node;
 		context->offset = action == CURSOR_MOVE_RIGHT ? 0 : len - 2;
 		return SUCCESS;
 	}
-	if (node->type > 1)
+	// Regular nodes
+	else if (node->type > 1)
 	{
 		if (action == CURSOR_MOVE_RIGHT)
 		{
-			// Enter the numerator
+			// Enter the first child flow
+
+			// If there is no child, skip past this node
 			if (node->args[0] == NULL)
 				return CURSOR_PAST_END;
 
+			// Update the cursor to be in the right place
 			context->elementIsText = false;
 			context->cursorFlow = node->args[0];
 			context->offset = 0;
@@ -111,14 +115,19 @@ enum cursorMoveResult TeX_node_cursor_enter(struct TeX_Node *node, struct editCo
 		}
 		else if (action == CURSOR_MOVE_LEFT)
 		{
-			// Enter the denominator
+			// Enter the last child flow
+
 			struct TeX_Flow *denom = node->args[1];
+
+			// If there is only one child, go to it instead
 			if (denom == NULL)
 				denom = node->args[0];
 
+			// If there is no child, skip past this node
 			if (denom == NULL)
 				return CURSOR_PAST_START;
 
+			// Update the cursor to be in the right place
 			context->elementIsText = false;
 			context->cursorFlow = denom;
 			context->offset = denom->elements;