{:join; ... :}
==============
Output join array elements with a string.
```html
{:join; /array/literal/bool/ :}
{:join; /array/separator/keys/ :}
{:join; /array/separator/ :}
```
* array: an array
* separator: string as a separator
* keys: optional boolean for using keys instead of values, default false, values
Any delimiter can be used:
```html
{:join; ~array~separator~ :}
{:join; #array#separator# :}
```
Modifiers:
----------
```text
{:^join; ... :}
```
### Modifier: ^ (upline)
Eliminates previous whitespaces, (See "unprintable" for examples.)
No flags
--------
Example
-------
```text
---