# [text\_spec.rb:15](https://github.com/k0kubun/hamlit/blob/master/spec/hamlit/engine/text_spec.rb#L15)
## Input
```haml
.
.*
#
#+
```
## Output
### Haml
```html
Haml::SyntaxError: Illegal element: classes and ids must have values.
```
### Faml
```html
*
+
```
### Hamlit
```html
.
.*
#
#+
```
# [text\_spec.rb:99](https://github.com/k0kubun/hamlit/blob/master/spec/hamlit/engine/text_spec.rb#L99)
## Input
```haml
\
!hello
\!hello
```
## Output
### Haml
```html
!hello
!hello
```
### Faml, Hamlit
```html
nbsp;
hello
!hello
```
# [text\_spec.rb:175](https://github.com/k0kubun/hamlit/blob/master/spec/hamlit/engine/text_spec.rb#L175)
## Input
```haml
1#{2
```
## Output
### Haml
```html
Haml::SyntaxError: Unbalanced brackets.
```
### Faml
```html
Faml::TextCompiler::InvalidInterpolation: 1#{2
```
### Hamlit
```html
1#{2
```