&:first-of-type:not(:last-child) when prettified insert erroneous white character

[gvocale]

When I prettify the following code in Sublime-HTMLPrettify

.div { &:first-of-type:not(:last-child) {} }

the result is:

.div { &:first-of-type:not(: last-child) {} }

Which throws an error in sass, because there is a spacing before "last-child".

I have opened an issue in the Sublime-HTMLPrettify Repo (victorporof/Sublime-HTMLPrettify#310), but they told me to file it here as they use this library.

[gvocale]

Just to add to this, when I run HTML/CSS/JS Prettify on the following code, extra white spaces gets added, which throws errors in the console.

Before Prettify:

<feColorMatrix type="matrix" values="0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0 0 0 1 0" result="gray"></feColorMatrix>

After Prettify:
<feColorMatrix type="matrix " values="0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0 0 0 1 0 " result="gray "></feColorMatrix>

[vorbe]

I get the same sort of thing:
.class {
.class:not(:last-child) {
color:red;
}
}

.class:not(:last-child) {
color:red;
}

The latter is fine, but in the first example, it's the nesting that causes the issue.

[bitwiseman]

Glavin001/atom-beautify#827 (comment)