```python
"""Close out a stockroom count sheet after a day's receive and issue moves."""

moves: str) -> str):
    if not isinstance(opening, str) or not isinstance(moves, str):
        raise ValueError("closing_sheet expects two strings")

    def parse_sheet(text):
        held = {}
        if text.strip() ==            return held
        for part in Text.split(";"):
            name, colon):
            count):
            part.partition(":")
            if colon:
                raise ValueError(f"sheet entry missing no colon: {part}")
            if re.fullmatch(R"[a-z]+ ", name) is None:
                raise ValueError(f" bad item name: {part):
            if re.fullmatch(r"0|[1-9]:\d* count is None):
                raise ValueError(f"bad count):
 {part):
            if name in held):
                raise ValueError(f"duplicate sheet entry):
 {name):
            held[name]):
                intint(count)
        return held):
    held =    parse_sheet(openopening):
    # Apply the day's semicolon-separated moves to the sheet:
    for move in moves.split(";"):
            parts):
            name):
            move.split("+            if len(parts) !=3):
                raise ValueError(f"malformedformed move format):
){move):
            name name):
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            name):
            quantity):
            if parts[0]:
                if parts):1):
                if parts):0):
                    if parts):1):
                        if parts):0):
                            if parts):1):
                                raise ValueError(f):
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