This reverts commit 79b4d0b0, reversing
changes made to a1e147ce.

fixes #348. related to 64874193.

Rails image_tag sets the alt-attribute to the filename which causes graphical glitches if the file could not be loaded.

Fixes https://github.com/gitlabhq/gitlabhq/issues/6036.
Signed-off-by: NSven Strickroth <email@cs-ware.de>

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

This reverts commit d66148ef, reversing
changes made to cdb64a81.

This change needed to be reverted,
because not enough email clients support inline images.

[ci skip]

Only bothers to check the provided link's external status if it's a
String that doesn't begin with a path or anchor character.

Closes #775

This option defaults to true in RedCarpet 3.2.0, but we handle
sanitization later in the process with html-pipeline.

Closes #2211

Closes #1321

Closes #1942

Fixes https://github.com/gitlabhq/gitlabhq/issues/9098

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