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Base: Mention that the if condition is a command

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Sorta closes #4991.
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AnotherTest 2021-01-17 22:36:10 +03:30 • committed by Andreas Kling
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Base/usr/share/man/man5/Shell.md
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@ -182,12 +182,12 @@ rm test && echo "deleted!" || echo "failed with $?"
##### Conditionals
Conditionals can either be expressed with the _Logical Relations_, or via explicit `if` expressions.
An `if` expression contains at least a _condition_ and a _then clause_, and optionally the `else` keyword followed by an _else clause_.
An `if` expression contains at least a _condition_ command and a _then clause_, and optionally the `else` keyword followed by an _else clause_.
An _else clause_ may contain another `if` expression instead of a normal block.
The _then clause_ **must** be surrounded by braces, but the _else clause_ may also be another `if` expression.
An `if` expression evaluates either the _then clause_ or (if available) the _else clause_, based on the exit code of the _condition_; should the exit code be zero, the _then clause_ will be executed, and if not, the _else clause_ will.
An `if` expression evaluates either the _then clause_ or (if available) the _else clause_, based on the exit code of the _condition_ command; should the exit code be zero, the _then clause_ will be executed, and if not, the _else clause_ will.
###### Examples
```sh