Final answer:
In scleroderma, m/l refers to muscle and joint pain, which is a common symptom caused by inflammation and fibrosis in the affected tissues.
Step-by-step explanation:
In a patient with scleroderma, the initial complaint of m/l refers to muscle and joint pain. This is a common symptom in scleroderma, an autoimmune condition characterized by thickening and hardening of the skin and connective tissues. Muscle and joint pain can occur due to inflammation and fibrosis in the affected tissues.