fphilipe / premailer-rails / 274

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main: 98%

Pull #227

travis-ci

Add :drop_inline_style_tags config option

Premailer very happily generates email with thousands of unnecessary
lines in the inline <style> tag, which means that at some point, some
email clients (particularly Gmail) will refuse to render the email, and
will instead clip the email with "[Message clipped] View entire
message".

It seems this clip is around ~100 KB of inline <style> tags.

This new config option, :drop_inline_style_tags, will take the generated
`to_inline_css`, and drop the <style> tag completely. In theory, this
shouldn't have any impact, because all of the relevant CSS will have
been applied to the elements themselves anyway.

Resolves issues such as:
- https://github.com/premailer/premailer/issues/334
- https://github.com/fphilipe/premailer-rails/issues/192
- https://github.com/fphilipe/premailer-rails/issues/184

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