_A_n _R_d _R_e_g_r_e_s_s_i_o_n _T_e_s_t

_D_e_s_c_r_i_p_t_i_o_n:

       linked text in \tabular  <https://example.org/a&b#c> 
      
_U_s_a_g_e:

     \x \y %{}
     
     foo(x, y)
     
_D_e_t_a_i_l_s:

     Escaped backslash '\x'.

     '%{}'

     a link and some to known destinations: weighted.mean, '{'

     var in text.

     'foo(x, y)'.

       Escaped backslash \x.
     
       %{}
     
       var in \var{text}.
       
       foo(\var{x}, \var{y}).
       
       From gap: pedtodot.Rd -- n=split(m,par,"\034") 
     
     Yihui Xie's example:

     def ghi

_V_a_l_u_e:

     [NULL]
     ...

_E_x_a_m_p_l_e_s:

     \x
     %{}
     foo(x, y)