Edited ch07.asciidoc with Atlas code editor

7 years ago · c988ce7b21
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@ -395,7 +395,7 @@ At a basic level, bitcoin conditional opcodes allow us to construct a redeem scr

 Additionally, bitcoin conditional expressions can be "nested" indefinitely, meaning that a conditional clause can contain another within it, which contains another, etc. Bitcoin Script flow control can be used to construct very complex scripts with hundreds or even thousands of possible execution paths. There is no limit to nesting, but consensus rules impose a limit on the maximum size, in bytes, of a script.

-Bitcoin implements flow control using the +IF+, +ELSE+, +ENDIF+, and +NOTIF+ opcodes. Additionally, conditional expressions can contain boolean operators such as +BOOLAND+, +BOOLOR+, and +NOT+.
+Bitcoin implements flow control using the +IF+, +ELSE+, +ENDIF+, and +NOTIF+ opcodes. Additionally, conditional expressions can contain boolean operators such as +BOOLAND+, pass:[<span class="keep-together"><code>BOOLOR</code></span>], and +NOT+.

 At first glance, you may find the bitcoin's flow control scripts confusing. That is because Bitcoin Script is a stack language. The same way that +1 {plus} 1+ looks "backward" when expressed as +1 1 ADD+, flow control clauses in bitcoin also look "backward."