Am Donnerstag, 26. November 2015 11:41:37 UTC+1 schrieb rns:
>
> Don't know exactly. One thing that comes to mind is that _ is then used to
> replace spaces in LHS, if any.
> As a possible workaround, angle brackets allow using a whitespace in
> symbol names, e.g. <create table> instead of create_table.
>
Now I rewrote the grammar using angle brackets and I got exactly what I
intended to get before using underscores:
bless( [
bless( [
'id'
], 'DDL::identifier' )
], 'DDL::column_name_list' ),
The rule <column name list> gets blessed to column_name_list.
This makes it even more questionable, why the rule can not be called
column_name_list. An underscore rule could be blessed directly without any
rewriting.
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