comparison mercurial/help.py @ 31265:79715ba22f9c

help: avoid mutating passed-in `keep` list in `formattedhelp`

31264:063d7957fa12

    Either returns the rendered help text or raises an exception.
    """
    if keep is None:
        keep = []
    fullname = name
    section = None
    subtopic = None
    if name and '.' in name:
        name, remaining = name.split('.', 1)

31265:79715ba22f9c

    Either returns the rendered help text or raises an exception.
    """
    if keep is None:
        keep = []
    else:
        keep = list(keep) # make a copy so we can mutate this later
    fullname = name
    section = None
    subtopic = None
    if name and '.' in name:
        name, remaining = name.split('.', 1)