Based on the available information, it is suggested that an alcohol-free diet can contribute to improving liver health and potentially repairing liver damage to some extent. However, it's important to note that the healing process depends on the severity and stage of liver damage.

Firstly, the British Liver Trust states that maintaining a healthy diet and avoiding alcohol are crucial for people with liver conditions [3]. This information implies that an alcohol-free diet can have a positive impact on liver health.

Moreover, a study published in the National Center for Biotechnology Information (NCBI) states that "abstinence from alcohol is the most important intervention in ALD (Alcoholic Liver Disease)" [2]. Abstinence allows the liver to recover and regenerate, which can lead to improvements in liver function.

Lastly, the Drug Patent Watch website does not provide any direct information on the relationship between alcohol-free diets and liver repair [1]. However, it does provide information on various drugs and trademarks related to alcohol, which is not directly related to the question at hand.

In summary, based on the available information from the British Liver Trust and the NCBI study, an alcohol-free diet can contribute to repairing liver damage by allowing the liver to recover and regenerate. However, it's important to note that the healing process depends on the severity and stage of liver damage.

Sources:

1. [Drug Patent Watch](https://www.drugpatentwatch.com/p/tradename/ALCOHOL)
2. [NCBI Study](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8041137/)
3. [British Liver Trust](https://britishlivertrust.org.uk/information-and-support/living-with-a-liver-condition/diet-and-liver-disease/)