Add ^ to special chars array

This prevented attributes from being parsed properly.

rdar://73301600

Author: parkera

src/commonmark.c

@@ -38,6 +38,7 @@ static CMARK_INLINE void outc(cmark_renderer *renderer, cmark_node *node,
 	 c == '*' || c == '_' || c == '[' || c == ']' || c == '#' || c == '<' ||
          c == '>' || c == '\\' || c == '`' || c == '~' || c == '!' ||
          (c == '&' && cmark_isalpha(nextc)) || (c == '!' && nextc == '[') ||
+         (c == '^' && nextc == '[') ||
          (renderer->begin_content && (c == '-' || c == '+' || c == '=') &&
           // begin_content doesn't get set to false til we've passed digits
           // at the beginning of line, so...

src/inlines.c

@@ -1325,7 +1325,7 @@ static int8_t SPECIAL_CHARS[256] = {
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
       1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,