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docs: Expand math for bash users a bit

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Also fix some awkward typos.
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Fabian Homborg
2021-11-03 17:23:36 +01:00
parent 3abe21708d
commit a4adda5da8
2 changed files with 12 additions and 4 deletions
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doc_src/language.rst
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@@ -564,8 +564,8 @@ That means quoting isn't the absolute necessity it is in other shells. Most of t
.. [#] Unlike bash or zsh, which will join with the first character of $IFS (which usually is space).
Derefencing variables
'''''''''''''''''''''
Dereferencing variables
'''''''''''''''''''''''
The ``$`` symbol can also be used multiple times, as a kind of "dereference" operator (the ``*`` in C or C++), like in the following code::