feat(tn/en/word): align symbol names with NeMo symbol.tsv (+1)

src/lib.rs

@@ -1064,7 +1064,7 @@ fn is_split_punct(c: char) -> bool {
 fn is_interior_hard(c: char) -> bool {
     matches!(
         c,
-        '!' | '?' | '(' | ')' | '[' | ']' | '{' | '}' | '\'' | '\u{2013}'
+        '!' | '?' | '(' | ')' | '[' | ']' | '{' | '}' | '\'' | '\u{2013}' | '§'
     )
 }
 

src/tn/en/word.rs

@@ -10,7 +10,7 @@
 
 use super::spell_digits;
 
-/// Spoken name for a standalone symbol.
+/// Spoken name for a standalone symbol (NeMo whitelist/symbol.tsv).
 fn symbol_word(c: char) -> Option<&'static str> {
     Some(match c {
         '$' => "dollar",
@@ -23,8 +23,18 @@ fn symbol_word(c: char) -> Option<&'static str> {
         '/' => "slash",
         '&' => "and",
         '+' => "plus",
-        '=' => "equals",
+        '=' => "equal sign",
         '@' => "at",
+        '_' => "underscore",
+        '*' => "asterisk",
+        '~' => "tilde",
+        '^' => "circumflex",
+        '|' => "vertical bar",
+        '§' => "section",
+        '™' => "trademark",
+        '®' => "registered trademark",
+        '©' => "copyright",
+        '°' | 'º' => "degree",
         _ => return None,
     })
 }

tests/parity_baseline.tsv

@@ -59,7 +59,7 @@ en	tn	money	71	71
 en	tn	normalize_with_audio	40	58
 en	tn	ordinal	27	27
 en	tn	punctuation	43	63
-en	tn	punctuation_match_input	6	13
+en	tn	punctuation_match_input	7	13
 en	tn	range	20	20
 en	tn	roman	4	4
 en	tn	serial	29	32