update_indention_ref: Update the indention reference
Description
Update the indention reference
Usage
update_indention_ref_fun_dec(pd_nested)
Arguments
pd_nested
A nested parse table.
Functions
update_indention_ref_fun_dec: Updates the reference pos_id for all
tokens in pd_nested if pd_nested contains a function declaration.
Tokens inside a function declaration are are re-indented,
that is, they are indented up to the level at which the token FUNCTION
ends in terms of col2.