From db5bd2e6e42bed5204788f006d241b618671b94b Mon Sep 17 00:00:00 2001
From: SavagePeanut <sourcehut@lazytapir.com>
Date: Mon, 31 Jul 2023 10:31:54 -0500
Subject: non-compliant Conversations style formatting for *bold*still bold*

---
 src/lib.rs                 | 31 +++++++++++++++++++++++++++++++
 tests/test_style_parser.py |  4 ++--
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 35ebc12..532fec7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -153,6 +153,37 @@ fn seek_end(chars: &Vec<char>, keyword: char, start: usize, end: usize) -> Optio
         if c == keyword
             && !chars[i - 1].is_whitespace()
             && !preceeded_by_backslash(chars, i, start)
+        {
+            match seek_higher_order_end(chars, c, i + 1, end) {
+                Some(higher_order_index) => {
+                    return Some(higher_order_index);
+                }
+                None => {
+                    return Some(i);
+                }
+            }
+        }
+    }
+    None
+}
+
+fn seek_higher_order_end(chars: &Vec<char>, keyword: char, start: usize, end: usize) -> Option<usize> {
+    for i in start..=end {
+        let c = chars[i];
+        if c == '\n' {
+            return None;
+        }
+        if c == keyword
+            && chars[i - 1].is_whitespace()
+            && !followed_by_whitespace(chars, i, end)
+            && !preceeded_by_backslash(chars, i, start)
+        {
+            return None; // "*bold* *<--- beginning of new bold>*"
+        }
+        if c == keyword
+            && !chars[i - 1].is_whitespace()
+            && followed_by_whitespace(chars, i, end)
+            && !preceeded_by_backslash(chars, i, start)
         {
             return Some(i);
         }
diff --git a/tests/test_style_parser.py b/tests/test_style_parser.py
index f78f866..671af64 100644
--- a/tests/test_style_parser.py
+++ b/tests/test_style_parser.py
@@ -34,8 +34,9 @@ def test_nested():
     assert(format_body("`*~_code span_~*`", MATRIX_FORMATS) == "<code>*~_code span_~*</code>")
     assert(format_body("*_~`code span`~_*", MATRIX_FORMATS) == "<strong><em><strike><code>code span</code></strike></em></strong>")
     assert(format_body(">*_~`code span`~_*", MATRIX_FORMATS) == "<blockquote><strong><em><strike><code>code span</code></strike></em></strong></blockquote>")
-    assert(format_body("*bold*not bold*", MATRIX_FORMATS) == "<strong>bold</strong>not bold*")
+    assert(format_body("*bold star >*< star bold*", MATRIX_FORMATS) == "<strong>bold star >*< star bold</strong>")
     assert(format_body("*_bold*_", MATRIX_FORMATS) == "<strong>_bold</strong>_")
+    assert(format_body("__underlined__", MATRIX_FORMATS) == "<em><em>underlined</em></em>")
 
 def test_no_changes():
     assert(format_body("", MATRIX_FORMATS) == "")
@@ -45,7 +46,6 @@ def test_no_changes():
     assert(format_body("  > no quote", MATRIX_FORMATS) == "  > no quote")
     assert(format_body("_not underlined", MATRIX_FORMATS) == "_not underlined")
     assert(format_body("|not a spoiler|", MATRIX_FORMATS) == "|not a spoiler|")
-    assert(format_body("__not underlined__", MATRIX_FORMATS) == "__not underlined__")
     assert(format_body("`no code\nblock here`", MATRIX_FORMATS) == "`no code\nblock here`")
 
 def test_assorted():
-- 
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