@@ -62,7 +62,7 @@ If *value* is empty, *key* is still added to the environment, with an empty valu
If you do not want *key* to be added to the environment at all, prefix the *value* with an exclamation mark `!`. Whitespace **are not permitted** between the `!` and `value`. For instance,
```
socket_name=!sname
socket_name=!sname
```
In this case the *key* will be removed from the environment after the substitution.
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@@ -70,19 +70,19 @@ In this case the *key* will be removed from the environment after the substituti
Reusing the same variable or variable from the actual environment is allowed. In such case, variable name **must be** between `${}` to get it value. For intance, an environment file can be declared
```
PATH=/usr/local/bin:${PATH}
socket_name=sname
socket_dir=dname
socket=${socket_dir}/${socket_name}
PATH=/usr/local/bin:${PATH}
socket_name=sname
socket_dir=dname
socket=${socket_dir}/${socket_name}
```
The order of `key=value` pair declaration **do not** matter
