From 4aafb0de729aaf9c8bc2658b4992ac6a3536d471 Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Thu, 2 Oct 2025 15:14:01 +0200
Subject: fix(markdown): no error on bad code block pos

---
 mardown/ast_paragraph.go |  3 +++
 mardown/error.go         | 15 +++++++--------
 2 files changed, 10 insertions(+), 8 deletions(-)

(limited to 'mardown')

diff --git a/mardown/ast_paragraph.go b/mardown/ast_paragraph.go
index 15d9bb8..21dc1ef 100644
--- a/mardown/ast_paragraph.go
+++ b/mardown/ast_paragraph.go
@@ -76,6 +76,9 @@ func paragraph(lxs *lexers, oneLine bool) (*astParagraph, *ParseError) {
 				tree.content = append(tree.content, ext)
 			}
 		case lexerCode:
+			if len(lxs.Current().Value) > 1 {
+				return nil, &ParseError{lxs: *lxs, internal: ErrInvalidCodeBlockPosition}
+			}
 			n = 0
 			b, err := code(lxs)
 			if err != nil {
diff --git a/mardown/error.go b/mardown/error.go
index f85dfbb..bdcd9df 100644
--- a/mardown/error.go
+++ b/mardown/error.go
@@ -24,14 +24,13 @@ func (e *ParseError) Pretty() string {
 	ind := ""
 	for lxs.Next() && lxs.Current().Type != lexerBreak {
 		contxt += lxs.Current().Value
-		if lxs.current < current {
-			if lxs.current == current-2 {
-				ind += "^"
-			} else {
-				for range len(lxs.Current().Value) {
-					ind += "~"
-				}
-			}
+		ln := len(lxs.Current().Value)
+		if lxs.current == current-1 {
+			ln--
+			ind += "^"
+		}
+		for range ln {
+			ind += "~"
 		}
 	}
 	return fmt.Sprintf("%v\n\n%s\n%s", e, contxt, ind)
-- 
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