Context - guidelines in photojournalism

Reuters Handbook of Journalism regarding guidelines on the use of Photoshop and guidelines on captions.

http://handbook.reuters.com/index.php/A_Brief_Guide_to_Standards,_Photoshop_and_Captions#Photo_Opportunities


Here is an excerpt about Photoshop guidelines:

Allowed:

Cropping
Adjustment of Levels to histogram limits
Minor colour correction
Sharpening at 300%, 0.3, 0
Careful use of lasso tool
Subtle use of burn tool
Adjustment of highlights and shadows
Eye dropper to check/set gray

Not Allowed:

Additions or deletions to image
Cloning & Healing tool (except dust)
Airbrush, brush, paint
Selective area sharpening
Excessive lightening/darkening
Excessive colour tone change
Auto levels
Blurring
Eraser tool
Quick Mask
In-camera sharpening
In-camera saturation styles


This illustrates just how important it is to get the shot right at point of capture.