if tok, is_keyword := keywords[ident]; is_keyword {
		return tok
	}
	return IDENT
}

// Predicates

// IsLiteral returns true for tokens corresponding to identifiers
// and basic type literals; it returns false otherwise.
func (tok Token) IsLiteral() bool { return literal_beg < tok && tok < literal_end }

// IsOperator returns true for tokens corresponding to operators and

			// don't use the position of auto-inserted (invisible) semicolons
			if lit != ";" {
				break
			}
			fallthrough
		default:
			prev = pos
			var l int // token length
			if tok.IsLiteral() {
				l = len(lit)
			} else {
				l = len(tok.String())
			}
			here = prev + token.Pos(l)
		}
	}
}

// compareErrors compares the map of expected error messages with the list

	match := search.NewMatch(pattern)
	if m == (module.Version{}) {
		matchPackages(ctx, match, tags, includeStd, nil)
	}

	LoadModFile(ctx) // Sets Target, needed by fetch and matchPackages.

	if !match.IsLiteral() {
		matchPackages(ctx, match, tags, omitStd, []module.Version{m})
		return match
	}

	root, isLocal, err := fetch(ctx, m)
	if err != nil {
		match.Errs = []error{err}
		return match
	}