The title says all. Jetpack's proofreading plugin, when ran, returns "No writing errors were found." despite errors being present in the post.
I tried disabling all the plugins except Jetpack, but this "bug" (I put it between quotes because I'm pretty sure that the problem isn't in the program, but between the chair and the keyboard) is still present.
I'm using the latest version of Jetpack (1.9.2) on the latest version of WordPress (3.4.2). Thanks to anyone who will try to help :)
PS: I'm new on the forum, so I'm not completely sure this is the right section :P