CMake/Help/command/else.rst
Joachim Wuttke (l) c2efb3efcd Help: Revise docs on Scripting Commands
Revise docs for all "Scripting Commands", except four find_XXX
that use a macro suite of their own.

* Take full advantage of the improved syntax highlighting.
* Make consequential use of <..> placeholders.
* Clarify things here and there in the text.

Specific improvements to some command docs:

* "math": Correct description of novel hexadecimal capability.
* "if", "foreach", "while": Provide link to "endif" etc
* "foreach", "while": Mention "break" and "continue".
* "foreach": Simplify explanation of ``RANGE`` and ``IN`` signatures;
   advise against negative arguments or reverse ranges (compare issue #18461)
* "endif", "endfunction" etc: Explain that the argument is optional and
   maintained for compatibility only
2018-10-23 15:12:10 +02:00

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else
----
Starts the else portion of an if block.
.. code-block:: cmake
else([<condition>])
See the :command:`if` command.