Tables defined using table directive gets visible permalink on table title

[pgerell]

When using the table directive with a table title, the headerlink character is always visible.
For normal headers the symbol is only visible when hovering with the mouse pointer.

Escape sequences
----------------

.. table:: Escape sequences
   :widths: auto

   ================ ==============
   Escape sequence  Value
   ================ ==============
   \\n              new-line
   \\t              tab
   \\v              vertical tab
   \\b              backspace
   \\r              carriage return
   \\f              form feed
   \\a              alert
   \\\ \\           backslash
   \\?              question mark
   \\'              single quote
   \\"              double quote
   \\0              null character
   \\ooo            octal
   \\xhhh           hexadecimal
   ================ ==============