## Comment
- surrounded by parentheses `{#` and `#}`
```saha
{% filter comment %}
comment block
{% end %}
```
## Whitespace Control
**Saha Supports `LF` only!**
- `{%=`: Destroy all whitespace on the left
- `{%-`: Destroy all blank lines on the left
- `{%_`: Destroy left whitespace, and the first newline encountered
- `{%!`: destroy left whitespace, but exclude newlines
- `=%}`: Destroy all whitespace on the right
- `-%}`: Destroy all blank lines on the right
- `_%}`: Destroy right whitespace, and the first newline encountered
- `!%}`: destroy right whitespace, but exclude newlines