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* doc/bison.texi: Prefer 'fun' to 'fnct'. Reduce local variable scopes. Prefer strdup to malloc + strcpy. Avoid gratuitous casts. Use simpler names (e.g., 'name' instead of 'fname'). Avoid uses of 0 for NULL. Avoid using NULL when possible (e.g., 'p' instead of 'p != NULL'). Prefer union names to casts (e.g. 'yylval.VAR = s' instead of '*((symrec**) &yylval) = s'). Give arguments a name in fun declarations. Use our typedefs instead of duplicating them (func_t). Stop promoting an explicit $$ = $1;, it should be implicit (Bison might be able to eliminate useless chain rules). Help a bit Texinfo by making smaller groups. Rely on the C compiler to call function pointers (prefer '$1->value.fun ($3)' to (*($1->value.fnctptr))($3)').