Really helpful explanation GrandFather
In your example code, what is achieved by wrapping part of the code in a do block?
Is this purely to aid legibility or does it have a functional impact? The documentaion doesn't answer this query.
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link or
or How to display code and escape characters
are good places to start.