From df65be07e401d759ed9e8faf211bc20f7e8fbf53 Mon Sep 17 00:00:00 2001
From: Mingun <alexander_sergey@mail.ru>
Date: Thu, 4 Jul 2024 20:55:12 +0500
Subject: [PATCH] Fix incorrect `.error_position()` when encountering syntax
 error for open or self-closed tag

---
 Changelog.md      |  1 +
 src/reader/mod.rs | 12 ++++++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index c15a19fd..35b51fc1 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -19,6 +19,7 @@
 
 - [#781]: Fix conditions to start CDATA section. Only uppercase `<![CDATA[` can start it.
   Previously any case was allowed.
+- [#780]: Fixed incorrect `.error_position()` when encountering syntax error for open or self-closed tag.
 
 ### Misc Changes
 
diff --git a/src/reader/mod.rs b/src/reader/mod.rs
index 104f4102..1cdf9030 100644
--- a/src/reader/mod.rs
+++ b/src/reader/mod.rs
@@ -338,9 +338,8 @@ macro_rules! read_until_close {
             {
                 Ok((bang_type, bytes)) => $self.state.emit_bang(bang_type, bytes),
                 Err(e) => {
-                    // <!....EOF
-                    //  ^^^^^ - `buf` does not contains `<`, but we want to report error at `<`,
-                    //          so we move offset to it (-1 for `<`)
+                    // We want to report error at `<`, but offset was increased,
+                    // so return it back (-1 for `<`)
                     $self.state.last_error_offset = start - 1;
                     Err(e)
                 }
@@ -378,7 +377,12 @@ macro_rules! read_until_close {
                 $(.$await)?
             {
                 Ok(bytes) => Ok($self.state.emit_start(bytes)),
-                Err(e) => Err(e),
+                Err(e) => {
+                    // We want to report error at `<`, but offset was increased,
+                    // so return it back (-1 for `<`)
+                    $self.state.last_error_offset = start - 1;
+                    Err(e)
+                }
             },
             // `<` - syntax error, tag not closed
             Ok(None) => {