Junk characters
Aarthi Kumar
A lot of junk characters are added when you accidentally leave a space before the period or within a tag -
Quotes get replaced by ' in code view, and when you do a simple copy-paste, a big span tag gets added. These will create issues when you migrate tools or sometimes with browsers.
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Vidhya
Aarthi Kumar
We can understand your concern. We will improve the behaviour of the Editor.
Vidhya
Hi Aarthi Kumar
Inside the code view of the editor you can find the unicode values of the special characters and that is the reason it shows   for spac and $ for Quotes.
Also, when we copy paste the contents from some other source, it will inherit the stylings from the source and hence you get to see big span tags with required styling details.
Hope it clarifies your query. Please do get back to us for further clarifications, we are pleased to assist you.
Aarthi Kumar
Vidhya: But these should not get displayed. Though these do not cause issues now, when you do a too migration in future, all these characters that get added, will cause weird issues. I say this, because, in one of my previous org, when we did a tool migration from Flare to oXygen, all these characters made the visual display weird, and in a few cases, got displayed as such. We then had to do a manual clean-up.