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### blink

`void blink(int nth)`

If nth is negative writes No Match in the mini buffer, else highlights the nth character if it is visible, else writes Match '<the char>' at line <the line> pos <nth>. This function is used by the C-mode (§5.28 page ) when you press `},)` and `]` keys to indicate corresponding `{,(` and `[` position. Obviously its visibility effect is obtained when blink is called, not when the current Smac execution is finished.