Index: src/mail.rs
==================================================================
--- src/mail.rs	
+++ src/mail.rs	
@@ -190,11 +190,11 @@
 					.replace("\r\n", "\n");
 				// 6:
 				// - (headers)
 				// - (mail text)
 				// - 6: </pre>
-				if text.len() < 4096 - ( reply.len() + 7 ) {
+				if text.len() < 4096 - ( reply.len() + 6 ) {
 					body = text;
 					text_num = 1;
 				}
 			};
 			let msg = format!("{}{}</pre>", reply, validate(&body).stack()?);

Index: src/tests.rs
==================================================================
--- src/tests.rs	
+++ src/tests.rs	
@@ -13,10 +13,9 @@
 	Ok(())
 }
 
 #[test]
 #[should_panic = "Found special tag while closing generic tag"]
-fn check_invalid () -> () {
+fn check_invalid () {
 	let html = "<p>Some <b>valid</b> HTML</p></code><a href='http://somewere.com'>Link injection!</a>";
 	let _ = validate(html).unwrap();
-	()
 }

Index: src/utils.rs
==================================================================
--- src/utils.rs	
+++ src/utils.rs	
@@ -7,11 +7,10 @@
 	bail,
 	Result,
 };
 
 lazy_static! {
-	pub static ref RE_SPECIAL: Regex = Regex::new(r"([\-_*\[\]()~`>#+|{}\.!])").unwrap();
 	pub static ref RE_DOMAIN: Regex = Regex::new(r"^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$").unwrap();
 }
 
 /// `Attachment` object to store number attachment data and corresponding file name
 #[derive(Debug)]
@@ -20,11 +19,15 @@
 	pub name: String,
 }
 
 /// Pass any text here to be validated as HTML, breaks on validation errors
 pub fn validate (text: &str) -> Result<&str> {
+	// Technically full validation is not needed nor required here, all text after validation
+	// is used in Telegram messages as RAW text enclosed in `pre`/`code` tags, so the only reason
+	// for this check is to make sure there's no dangling closing tags in the text that might
+	// break Telegram message formatting
 	let fragment = Html::parse_fragment(text);
 	if !fragment.errors.is_empty() {
 		bail!(fragment.errors.join("\n"));
 	}
 	Ok(text)
 }