Warn about variable name limitation

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Denis Isidoro 2019-09-25 08:28:29 -03:00 committed by GitHub
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commit 84c0ff2dc8
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@ -152,6 +152,8 @@ $ branch: git branch | awk '{print $NF}'
The interface prompts for variable names inside brackets (eg `<branch>`).
Variable names should only include alphanumeric characters and `_`.
The command for generating possible inputs can refer other variables:
```sh
# If you select 2 for x, the possible values of y will be 12 and 22