Fixed variable adjustments in yyfill().

src/json.hpp.re2c

@@ -3260,7 +3260,6 @@ class basic_json
 			ssize_t offset_start  = m_start  - m_content;
 			ssize_t offset_marker = m_marker - m_start;
 			ssize_t offset_cursor = m_cursor - m_start;
-			ssize_t offset_limit  = m_limit  - m_start;
 
 			m_buffer.erase(0, offset_start);
 			std::string line;
@@ -3268,10 +3267,10 @@ class basic_json
 			m_buffer += line;
 
 			m_content = reinterpret_cast<const lexer_char_t*>(m_buffer.c_str());
-			m_start  = m_content + offset_start;
+			m_start  = m_content;
 			m_marker = m_start + offset_marker;
 			m_cursor = m_start + offset_cursor;
-			m_limit  = m_start + offset_limit;
+			m_limit  = m_start + m_buffer.size() - 1;
 		}
 
         /// return string representation of last read token